| 释义 |
stem 英stem美stɛmAHDstĕm ★★★☆☆高四六研ＧＩＭＳＴ宝４八COCA⁴³⁷⁶BNC⁹⁶⁵⁰iWeb³²⁶⁴Economist³⁷⁷³
基本双解英英辨析词源搭配短语记法近义反义句型派生词例句Thesaurus例句
n.柄⁵;茎²⁹;干⁶²;船首¹vi.起源于²vt.抽去…的梗;给…装柄;逆…而行¹;阻止，遏制复数stems过去分词stemmed现在分词stemming三单stems
地理抑制植物学植物生长茎阻碍
n.名词
C 花草的茎,树木的干main central part of a plant, bush or tree coming up from the roots, from which the leaves or flowers grow C 词干root or main part of a noun or verb from which other parts or words are made, e.g. by altering the endings
v.动词
vt. 遏制〔阻止〕液体的流动等restrain or stop the flow of liquid, etc. vi. 起源,由…造成originate or be caused by sth
Noun:
linguistics the form of a word after all affixes are removed;thematic vowels are part of the stem a slender or elongated structure that supports a plant or fungus or a plant part or plant organcylinder forming a long narrow part of somethingthe tube of a tobacco pipefront part of a vessel or aircraft;he pointed the bow of the boat toward the finish line a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it
Verb:
grow out of, have roots in, originate in;The increase in the national debt stems from the last war cause to point inward;stem your skis stop the flow of a liquid;staunch the blood flow stem the tide remove the stem from;for automatic natural language processing, the words must be stemmed
v.动词
stem, arise, derive, emanate, originate, proceed, spring这组词均可表示“出现”,其区别在于： 1.spring强调经过一段时间或准备后突然出现。 2.arise强调产生的事实,暗示从无到有,也指某事物导致的结果。例如: I think there's a storm arising gradually.我看风暴即将来临。
There's trouble arising gradually at the meeting.会上一场纠纷正在酿成。3.originate指来源于特定的根源或起点。例如: All theories originate from practice and in turn serve practice.任何理论都来源于实践,反过来为实践服务。
The style of architecture originated with the ancient Greek.这种建筑风格起源于古希腊。4.derive指由另一形式的事物衍生而出或者从另一些人处取得。例如: The word derives from French.这个词来自法语。
English derives in the main from the common Germanic stock.英语主要源于日耳曼语族。5.emanate指从一事物转变为另一事物。例如: Can we emanate to the next question?我们能转入下一个问题吗?6.proceed指自某处发出或产生,强调根源或原因。例如: His mistake proceeded from his ignorance of it.他的错误是出于他对那件事的无知。
Wrong opinions often proceed from lack of information.错误的看法往往产生于不了解情况。7.stem指合乎自然规律地产生,也指在某人或某事物的影响下产生或从属于某人或某物发展。例如: We can stem great pleasure from our studies.我们可以从读书研究中获得极大的乐趣。
He stemmed his enthusiasm for literature from his father.他对文学的爱好是受他父亲的影响。来自英国人的本族语日耳曼语，源自原始印欧语词根*stel-摆放，站立，竖立，本意是“站立之物，在下面支撑植物”。
用作名词 n.
名词+～verb stem动词词干介词+～on a stem在茎上～+介词a stem of a flower花梗用作动词 v.～+名词stem a stream堵住溪水stem the spread制止蔓延
用作名词n.from stem to stern从船头到船尾; 彻底from the front to the back (especially of a ship) 用作动词v.
stem from v.+prep.
来自,起源于; 由…造成arise from sth; have sth as its origin or cause stem from sthThe present wave of strikes stems from discontent among the lower-paid.当前的罢工浪潮起因于低工资雇员的不满情绪。
Her interest in flowers stems from her childhood in the country.她对花卉的兴趣产生于她在乡下度过的童年时代。非常记忆st石头+em恶魔⇒石头被恶魔绑在树干上GRE红宝书音：擡木，擡轿子的木头，是根木桩子GRE难词记忆stem→steam n.蒸汽→阻止蒸汽外泄steamn.蒸汽⇒阻止蒸汽外泄近义词 arm臂leg腿rod杆peg钉bow弓bud芽bine蔓neck颈line线root根come来stalk茎shaft柄bar酒吧thill辕blood血end结束dam水坝stop停止halt停止twig小枝slow慢的cane手杖stay停留link联系axle轮轴race赛跑base底部people人clan氏族rise上升curb路边plug塞子bung木塞tamp夯实pack一群seal封条flow流动grow增加meet遇见face表面trunk树干shoot发射shank长柄quill羽茎staff员工spike长钉screw螺钉stock存货tribe部落birth分娩stall栅栏theme主题quash镇压quell压制check检查limit限度spile木栓stuff东西block街区choke窒息arise出现issue议题start开始begin开始repel排斥branch分部lessen减少Turner铁匠handle处理strain拉紧family家庭origin起源fore在前的arrest逮捕enjoin命令retard妨碍reduce减少cork软木塞hinder阻碍hamper妨碍impede妨碍spring春天sprout长芽derive获取follow跟随result结果breast乳房thwart反对oppose反对curtail缩减cut off切断rootlet小根support支持petiole叶柄spindle纺锤pilot飞行员lineage家系descent下降stanch 止住control掌控contain容纳repress抑制hold in压住abridge删节prevent预防inhibit抑制emanate散发develop发展burgeon发芽descend下降restrict限制decrease减少winder缠绕者holder持有者pedigree家谱ancestry祖先restrain抑制suppress镇压diminish减少shut off关掉obstruct阻隔handicap障碍commence开始surmount克服confront对抗fend off挡开ward off防止staunch坚定的bloodline血统genealogy家系parentage出身root word词根terminate结束radical激进的hold back阻碍constrain强迫cut short中断slow down减速germinate发芽originate发起ensue跟着发生beat back击退withstand对抗swivel转换仪器prow飞机机头background背景extraction抽出jam up筛眼堵塞last out经受住connector连接头pedicel植花梗family tree系谱proceed继续进行mainstay主要支持turnbuckle螺丝扣circumscribe限制fill up装满填写push through促成leafstalk植叶柄pin别针大头针…oppilate闭塞(阻止defend against抵御evolve使逐步形成…advance against朝 … 前进stem turn半犁式转弯, 停滑转动…反义词 stern严厉的
用作名词n.The stem of the mushroom is broken.这只蘑菇的梗折断了。
The stem supports the branches.树干支持着树枝。
“Uni-” is the stem of “unity”.uni-是unity的词干。用作动词v.
用作及物动词
S+～+ n./pron.You must stem the flow of blood from the wound.你必须阻止伤口流血。
The small boat could not stem the rushing tide.这艘小船顶不住汹涌奔腾的潮水。Pstemmya.多梗的Pbrainstemn.脑干Pstemplen.巷道横梁Pstemman.家系家谱单眼Pstemwaren.高脚的器皿Pstemletn.小茎小梗小干Pstem-pessary有杆子宫托Pstemlessa.无茎的无梗的Ppipestemn.烟斗柄细长的东西Pstem-windinga.拧转柄而上发条的Pstemmeda.有…茎的装有…柄的有…梗的去掉茎的去掉梗的Pstemmern.抽梗机去梗机抽梗工人炮棍导火线留孔针塞药棒乞丐
动词80%,名词20%
用作名词Don't eat thestemof a mushroom.不要吃蘑菇的梗。
This is a plantstemthat has been pithed.这是一根已经除去木髓的植物的茎。
Crime and punishment grow out of onestem.罪与罚本是同茎生。
She bought some roses with longstems.她买了一些枝干很长的玫瑰花。
The liner has been refitted fromstemto stern.那艘班轮已经全面整修。用作不及物动词Your errorsstemall from your carelessness.你犯的错误全都是由于你的粗心。用作及物动词Our shipstemmedon against the current.我们的船逆流而上。noun.stalk of plant
同义词 branch,trunkaxis,pedicel,pedicle,peduncle,petiole,shoot,stock
反义词 rootverb.come from
同义词 arise,derive,emanatedevelop,flow,head,issue,originate,proceed,rise,springbe bred,be brought about,be caused,be generated
反义词 cease,decrease,end,halt,lessen,repress,stopabet,aid,cause,encourage,helpverb.prevent, stop
同义词 contain,curb,hinder,resist,restrain,withstandarrest,check,control,dam,oppose,staybring to a standstill,hold back
反义词 aid,assist,encourage,help,let go,liberate,releaseabet,cause
ariseverb come into being;proceed
appear,begin,come to light,commence,crop up,derive,emanate,emerge,ensue,flow,follow,happen,head,issue,occur,originate,result,rise,set in,spring,start
arisenverb come into being;proceed
appeared,begun,come to light,commenced,crop up,derived,emanated,emerged,ensued,flowed,followed,happened,headed,issued,occurred,originated,resulted,risen,set in,sprung,started,stemmed
arisesverb come into being;proceed
appears,begins,comes to light,commences,crop up,derives,emanates,emerges,ensues,flows,follows,happens,heads,issues,occurs,originates,results,rises,sets in,springs,starts,stems
axesnoun point around which something revolves
adzes,choppers,hatchets,tomahawks
axisnoun point around which something revolves
arbor,axle,hinge,pivot,pole,shaft,spindle,stalk,stem,support,turning point
axlenoun shaft around which wheels rotate
arbor,axis,gudgeon,mandrel,pin,pivot,pole,rod,shaft,spindle,stalk,stem,support And the governor has been a proponent of adult stem-cell research, for economic reasons as well as ethical ones.
州长是一个成人干细胞研究的支持者，不仅有经济上的原因，还有道德上的原因。 ecocn
Both problems would go away if cells that behave like embryonic stem cells could be made without destroying embryos.
如果不破坏胚胎就可以制造出具有胚胎干细胞功能的细胞，那问题就可以迎刃而解了。 ecocn
But you have no idea of where each branch, leaf, stem and flower will be a year from now, and if you say you do then you’re really only guessing.
但是，你完全不知道一年后每个枝条、叶子、树茎和花朵将会长成什么样子。除了随意猜猜之外你又能说出个什么所以然来呢。 yeeyan
By looking at the hair follicles under microscopes, they saw when the stem cells turned into other cell types and linked the change to the graying hair.
通过在显微镜下观察这些毛囊，他们看到了何时干细胞变异为其他细胞以及这些变异如何与毛发变白联系在一起。 yeeyan
Conceptual, word stem, and soundex searches are possible within the current general framework, but would take quite a bit of work.
概念上，词干和探测法搜索可能已在现有的基本框架之中，但其需要花费很大的工作量。 ibm
Count the seeds that remain on the stem. That is the number of children you will have.
数数留在蒲公英杆上的种子，那就是你将拥有的孩子的数量。 hjenglish
For this study, she and her colleagues exposed mice to radiation and drugs used in chemotherapy, then monitored changes in the color of their fur as well as the status of their stem cells.
在这项研究中，她和她的同事对老鼠进行辐射并使用了用于化学疗法中的药品，然后监测老鼠皮毛颜色的变化以及其干细胞的状态。 yeeyan
He observed that, at night, a plant's leaves drooped next to the sides of the stem but in the morning they rose as if to worship the sun.
他发现，植物的叶子在夜间低垂于茎干的两侧，但到了早晨，这些叶子又升直了“身板”，似乎在向冉冉升起的太阳崇拜致意。 yeeyan
He wants Italy to stop bombing Libya to stem the flow of refugees across the Mediterranean.
他希望意大利停止轰炸利比亚，以阻止跨地中海的难民潮。 ecocn
Hollywood studios and media companies are vying to boost their online businesses, in part to stem online piracy of their content and also because of the higher margins they receive on digital sales.
好莱坞的电影公司和媒体公司纷纷加大其在线业务的竞争力，以阻止其内容的网上盗版，也由于他们在数字销售方面得到丰厚利润。 yeeyan
Keep watering weekly, and you should see a new stem coming through.
保持每周浇水，并且你应该看到一新茎干长出来。 yeeyan
Researchers use stem-like immune cells to kill large tumors, but so far only researchers and mice are benefiting from this.
研究人员利用茎状的免疫细胞杀死巨大的肿瘤，不过，迄今为止，只有研究人员和老鼠从中获益。 yeeyan
Science is the solution to stem rust, not the cause of its return.
科学是茎秆锈病的解决办法，而不是其重袭的原因。 ecocn
Since stem cells have yet to turn into specific cell types, biologists expected them to be extra sensitive to the environment, and this does indeed seem to be the case.
鉴于干细胞目前尚不能转化成特定类型的细胞，生物学家现在期望它们对环境能够有非常敏感的反应，而事实似乎的确如此。 yeeyan
Some graduate students in science, technology, engineering and math— or STEM— only do research, under the guidance of a mentor.
有些科学、技术、工程和数学简称 STEM的研究生仅在导师的指导下做一些研究。 hjenglish
The most ambitious and revolutionary part of this plan supplements the teachers in schools with adult volunteers, each serving as an expert for a particular STEM challenge award.
该计划最雄心勃勃和具革命的一部分就是为学校的老师提供成年志愿者，这些人将作为特定 STEM挑战奖项的专家。 yeeyan
The next step is to try to create stem cells without the leftover chromosomes from the egg.
下一步就是使得到的干细胞不再有多出来的那条来自卵细胞的染色体。 ecocn
The move was intended to stem an exodus into West Germany through the“ back door” which began last summer when the new and more liberal regime in Hungary opened its border.
这一举动是为了阻止人们从“后门”逃离到西德，因为从上年夏天开始，新建立的更加开放的匈牙利政权打开了它的边界。 yeeyan
The plant's stem curled round the branches of the tree.
那植物的茎缠绕在树枝上。《21世纪大英汉词典》
The problem, for some, is that stem-cell cultures derive ultimately from blastocysts, one of the earliest stages of embryonic development.
这个问题，对一些人来说就是干细胞培养物最终源自胚胎发育的早期阶段之一囊胚。 ecocn
The stem and leaves of the plant are toxic, and even the potato itself is toxic.
土豆植物的茎和叶是有毒的，甚至土豆本身也是有毒的。 yeeyan
These spiral vessels are part of a banana plant stem.
这些螺旋形的船只是香蕉植物茎的一部分。 yeeyan
They are a special risk with stem cells precisely because such cells can turn into any other sort.
对干细胞来说他们是一种特殊的风险，因为这种细胞能分化成任何其他种类。 yeeyan
This is a plant stem that has been pithed.
这是一根已经除去木髓的植物的茎。《21世纪大英汉词典》
While the surgeon was at it, he injected the governor with stem cells, in an experimental procedure meant to speed recovery.
当外科医生进行手术时，他给州长注射了干细胞，在一个实现过程中，这意味着加速恢复。 ecocn
Stem derivation is not applied to out- of- vocabulary words.
词干推导不会应用到词汇表之外的词汇。 ibm |