| 释义 |
ra·di·o·ac·tiv·i·ty 英ˌreɪdiːəʊækˈtɪvɪtiː美ˌredioækˈtɪvɪtiAHDrā'dē-ō-ăk-tĭvʹĭ-tē
基本英英词源搭配记法近义反义例句Thesaurus
n.放射性⁸¹;辐射¹⁹
Noun:
the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay词根词缀： -radio-射线,放射 + -act-行动 + -ivity名词词尾radioactive放射性的radioactivity strength放射性强度dustborne radioactivity放射性尘埃radioactivity logging放射性测井artificial radioactivity感生放射性,人工放射…natural radioactivity天然放射性contained radioactivity控制放射性airborne radioactivity大气中的放射性, 气…specific radioactivity放射性比度,比放射性…radioactivity decay放射性衰变contaminating radioactivity污染的放射性…radioactivity protection放射性防护radioactivity detection放射性探测radioactivity absorber放射性吸收剂…induced radioactivity感应放射性,感生放射…radioactivity prospecting放射性勘探,电探…alpha radioactivity放射能radioactivity meter放射性测量计…radioactivity determination放射法测定atmospheric radioactivity大气放射性
非常记忆radio收音机+activity活动⇒收音机活动时具有放射性radioactive+ity名词后缀⇒radioactivity n.放射性钱博士radio辐射+activity活动，活跃度⇒放射性近义词 energy精力radiation辐射fallout原子尘的降下…particle emission粒子发射
名词100%
用作名词Radioactivity is a special quality of radium.放射性是镭的一种特性。
The soil contains 30 times the acceptable level ofradioactivity.这片土壤受到了高于标准30 倍的辐射。as in.energy
同义词 dynamism,electricity,heat,potential,service,strengthapplication,burn,conductivity,current,force,friction,gravity,horsepower,juice,kilowatts,magnetism,pressure,rays,reaction,response,steam,voltage,wattage
反义词 lack,peace,questionidleness,inactivity,laziness,lethargy,tirednessas in.radiation
同义词 nuclear particles,radioactive particlesas in.x-ray
同义词 actinism,encephalogram,fluoroscope,radiographcathode rays,refractometryRoentgen rays,Röntgen raysultraviolet rays
X raynoun picture of inside a body
Roentgen rays,actinism,cathode rays,encephalogram,fluoroscope,radiograph,refractometry,ultraviolet rays
energiesnoun generated power
applications,burns,conductivities,currents,dynamism,electricity,forces,frictions,gravities,heat,horsepower,juices,kilowatts,magnetism,potentials,pressures,radioactivities,rays,reactions,responses,services,steam,strengths,voltages,wattage
energynoun generated power
application,burn,conductivity,current,dynamism,electricity,force,friction,gravity,heat,horsepower,juice,kilowatts,magnetism,potential,pressure,radioactivity,rays,reaction,response,service,steam,strength,voltage,wattage
radiationnoun fallout
nuclear particles,radioactive particles,radioactivity
x-raynoun inside look
Roentgen rays,Röntgen rays,actinism,cathode rays,encephalogram,fluoroscope,radioactivity,radiograph,refractometry,ultraviolet rays |