proportion

【发音】
美 /prə'pɔrʃən/ 英 /prə'pɔ:ʃən/
【翻译】
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n.比例,部分
英释:A proportion of a group or an amount is a part of it
【记忆】
pro(许多) + portion(一部分) → 按比例分成小份儿 → 比例; 份儿
【短语】
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in proportion : 成比例;相称
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a large proportion of : 一大部分
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direct proportion : n. 正比;正比例
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out of proportion : 不成比例
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mixing proportion : 混合比,配合比例
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inverse proportion : n. 比例;反比例
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in proportion as : adv. 按…比例;依…程度而变
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sense of proportion : 判断推动轻重缓急的能力
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geometric proportion : 等比
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proportion by weight : 重量比
【例句】
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A large proportion of the dolphins in that area will eventually die.
那个地区的很大一部分海豚最终都会死去。
【真题例句】
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(2017.6 • CET4 • 第三套 • 阅读理解)...with just a small proportion of consumers preferring more luxurious alternatives...
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(2017.6 • CET4 • 第三套 • 阅读理解)...a large proportion of staff are temporary contractors...
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(2012.6 • CET4 • • 阅读理解)...the proportion of students taking college-level exams...
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(2012.12 • CET4 • 第一套 • 写作题)...yet the chart of Weekly earnings in 2010 reveals a forceful counter-evidence that the income is in direct proportion to one's educational background...
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(2009.6 • CET4 • • 阅读理解)...By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair...
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(2009.12 • CET4 • • 阅读理解)...but they did not differ in the length of utterances or proportion of questions asked...
【同、近义词】
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n.[数]比例;部分;面积;均衡
ratio/area/equilibrium/scale/part/
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vt.使成比例;使均衡;分摊
apportion/
【同根词】
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adj
proportional : 比例的,成比例的;相称的,均衡的
proportionate : 成比例的;相称的;适当的
proportionable : 成比例的;相称的;均衡的
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adv
proportionally : 成比例地;相称地,适当地
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n
proportional : [数] 比例项
proportionality : 相称;均衡;比例性
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vt
proportionate : 使成比例;使相称