词汇精选:exact的用法和辨析
一、详细释义:
adj.
精确的,准确的
例句:
The exact length of the year is 365 days 5h 48min 46s.
一年的精确时间是365天5小时48分46秒。
例句:
What is the exact distance which separates the earth from its satellite?
地球和它的卫星的准确距离是多少?
严谨的,严格的,一丝不苟的
例句:
Astronomy, as distinct from astrology, is an exact science.
天文学是一门严谨的科学,与占星术完全不同。
例句:
She' s a very exact person.
她是个一丝不苟的人。
精密的,严密的
例句:
Judging is not an exact science. We may never know who's right.
判断不是一门精密科学.,我们可能永远也不清楚谁是对的。
例句:
The accuracy and relative error are computed by means of exact method as control group.
以精确法为标准,计算其他方法的精密度和相对误差。
v.
要求,索取 [T]
例句:
This difficult operation will exact all the doctor's skill.
这个难度大的手术要求医生全部技能。
例句:
He would exact payment for the work he had done.
他将去索取他的酬金。
迫使,强迫,强求 [T]
例句:
She must exact fresh concessions from her pride.
她必须强迫自尊心做出新的让步。
例句:
Sally finally managed to exact a promise from them.
莎莉最终迫使他们作出了承诺。
二、词义辨析:
accurate,exact,precise,right,true,correct
这些形容词均含“准确的,正确的”之意。accurate指通过谨慎的努力达到符合事实或实际,侧重不同程度的准确性,与事实无出入。exact着重在质与量方面的准确,语气比accurate强。precise侧重极端准确,更强调细节的精确无误。right使用广泛,可与这些词中的correct换用,但常暗示道德、理解、行动等方面的正确。true暗指绝对准确,尤指复制品与原件丝毫不差。correct最常用词,主要指按一定标准或规则来衡量,没有谬误和差错或无缺点错误。
三、参考例句:
To be exact, she is a very exact person.
确切地说,她是一个一丝不苟的人。
Science is an exact discipline.
研究科学可以锻炼人思维严谨.
What's the exact count?
确切的总数是多少?
I can't recall the exact circumstances.
我回忆不起确切的情况。
She' s a very exact person.
她是个一丝不苟的人。
The authority has no exact responsibility.
(授予的)职权没有明确责任。
I don't remember the exact words.
我不记得确切的话了。
They haven't totalled the exact figures.
他们还没有对确切数据进行总计。
Tell me the exact time, please.
请告诉我准确的时间。
In the limit, the approximation becomes an exact calculation.
取极限,近似值就变成了精确值。