a fraction of sth
表示“一小部分”,强调数量极少,后面可接可数名词复数或不可数名词。
Only a fraction of the students passed the exam.
只有一小部分学生通过了考试。
分数;馏分;组分;擘饼;整体的一部分,尤指较小的一部分;经分馏分离出的混合物组分
a small part or amount of something; a piece of a whole
整体的一部分,尤指较小的一部分
A part of a whole, especially a comparatively small part.
经分馏分离出的混合物组分
a component of a mixture that has been separated by a fractional process
两个数的比(分子和分母),通常上下排列由横线分隔,或同行由斜线分隔
A ratio of two numbers (numerator and denominator), usually written one above the other and separated by a horizontal bar called the vinculum or, alternatively, in sequence on the same line and separated by a solidus (diagonal bar).
整体中的一小部分
a small part or item forming a piece of a whole
通过分馏分离出的混合物组分
A component of a mixture, separated by fractionation.
两个有理数的商
the quotient of two rational numbers
圣餐仪式中擘饼的环节
In a eucharistic service, the breaking of the host.
少量
A small amount.
Only a fraction of the students passed the exam.
只有一小部分学生通过了考试。
用法提示:fraction 作名词,表示“一小部分”,与 of 连用。
She spends only a fraction of her income on rent.
她只把收入的一小部分花在房租上。
用法提示:fraction 作名词,意为“一小部分”,强调比例小。
The new phone costs a fraction of what the old one did.
这部新手机的价格只有旧手机的一小部分。
用法提示:a fraction of 表示“……的一小部分”,作名词短语。
表示“一小部分”,强调数量极少,后面可接可数名词复数或不可数名词。
Only a fraction of the students passed the exam.
只有一小部分学生通过了考试。
固定说法,用来描述极短暂的时间,常与 for 或 in 连用。
The driver hesitated for a fraction of a second.
司机犹豫了极短的一瞬间。
数学语境中的说法,指把数写成分子与分母的形式,也可用 write ... as a fraction。
Express 0.75 as a fraction.
把 0.75 写成分数。
grammar · medium
易错句子Only small fraction of the students passed the exam.
正确表达Only a small fraction of the students passed the exam.
fraction 是可数名词单数,作主语时前面必须有冠词或其他限定词。汉语没有冠词,学习者容易在形容词 small 后直接接名词而漏掉 a;表达“一小部分”应为 a small fraction of。
grammar · medium
易错句子I got a high fraction on the math test.
正确表达I got a high score on the math test.
汉语“分数”既指数学里的分数,也指考试得分,但英语 fraction 只表示数学中的“分数”或“整体的一部分”。此处指考试得分,英语用 score(或英式 mark),不能用 fraction。
grammar · medium
易错句子The plane disappeared in a fraction of second.
正确表达The plane disappeared in a fraction of a second.
固定表达 a fraction of a second(几分之一秒)中第二个 a 不能省略:of 后面是可数名词单数 second,必须带不定冠词。受汉语无冠词影响,学习者常只保留第一个 a。
……的一小部分
Only a fraction of the money was spent.
这笔钱只花掉了一小部分。
……的一小部分;只占……很小比例
A small fraction of the population owns most of the land.
人口中只有一小部分人拥有大部分土地。
零点几秒;一刹那
The car missed the child by a fraction of a second.
那辆车与孩子擦身而过,只差零点几秒。
仅仅一小部分
Her salary is a mere fraction of his.
她的薪水只是他的一小部分。
花费的一小部分;远低于原价
They repaired the house for a fraction of the cost of rebuilding.
他们修缮这栋房子的花费远低于重建的成本。
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