| 释义 |
var·i·a·ble·ness 英'veəriəbl美'veriəbl
基本双解英英辨析词源搭配近义反义句型例句
adj.可变的⁶;易变的²n.变量⁹¹;易变的东西¹副词variably名词variableness
adj.形容词
变化的,可变的,易变的varying; changeable
Noun:
something that is likely to vary; something that is subject to variation;the weather is one variable to be considered a quantity that can assume any of a set of valuesa star that varies noticeably in brightnessa symbol like x or y that is used in mathematical or logical expressions to represent a variable quantity
Adjective:
liable to or capable of change;rainfall in the tropics is notoriously variable variable winds variable expenses marked by diversity or difference;the varying angles of roof slope nature is infinitely variable used of a device designed so that a property as e.g. light can be varied;a variable capacitor variable filters in front of the mercury xenon lights
adj.形容词
variable, variegated, various这三个词都可表示“多样的”。其区别是： various的意思是“各种各样的”; variable指“不稳定的,易变的,时好时坏的,不同种类的”; variegated的意思是“杂色的,多样化的”,多用来修饰不同颜色的东西,如花草,树木等。例如: His mood is variable.他的情绪反复无常。
This specimen is richly variegated in color.这件标本上有很多颜色。14世纪晚期进入英语，直接源自古法语的variable，意为不同的；最初源自晚期拉丁语的variabilis，意为多变的。random variable随机变量,无规变数…dependent variable因变量independent variable自变数,自变量…variable-contrast paper可变反差照相纸…variable flow异形流动controlled variable控制量,可控变量,可…variable motion变速运动exogenous variable外生变量boolean variable布尔变量,布尔变数,…variable area可变截面的variable bias可变偏压real variable实变量variable radix可变基数variable range变量范围variable speed能变速的variable error可变误差manipulated variable操纵量complex variable复变量variable load变动负荷variable cost可变成本
近义词 alterablechangeable反义词 constantinvariable
用作形容词adj.
用作定语
～+ n.The variable weather is a great trial to me.这种多变的天气真是让我受不了。
He has a variable temper.他的脾气反复无常。
用作表语
S+be+～The speed of the windscreen wipers is variable.汽车挡风玻璃上雨刷的速度是可变的。
Our team's performance this year has been variable.我们队今年成绩很不稳定。
形容词60%,名词40%
用作形容词Prices are variable according to the rate of exchange.物价会随汇率而变动。用作名词All these variables can affect a student's performance.所有这些变数都会影响学生的成绩。 |