exact
音标发音
- 英式音标 [ɪg'zækt; eg-]
- 美式音标 [ɪɡˈzækt]
- 英式发音
- 美式发音
基本解释
- adj. 准确的,精密的;精确的
- vt. 要求;强求;急需
- vi. 勒索钱财
词源解说
- 直接源自古典拉丁语的exactus(exigere的过去分词):ex (出去) + agere (开,导向),意为向外导向,完成。
词根记忆
- ex(出) + act(做)→要做就要做出精确的结果→精确的
- ex(出) + act(做)→做出精确的结果→精确的
- ex(出) + act(做)→都出来干活,急需人手→急需
- ex(表加强) + act(做)→努力做出精确的结果→精确的
同根派生
- adj性质的同根词
- exacting:严格的;苛求的;吃力的。
- adv性质的同根词
- exactly:恰好地;正是;精确地;正确地。
- n性质的同根词
- exactitude:正确,精确;严格,规规矩矩。
- exaction:强求;勒索;榨取;苛捐杂税。
- exactness:正确;精确。
- v性质的同根词
- exacting:逼取;急需(exact的ing形式)。
用法辨析
- exact作形容词是“准确的,确切的,精确的”的意思,指数量、品质等不多不少,刚好与事实或标准相符,强调丝毫不差。exact引申还可作“严谨的,严格的”解,一般指的是人做事时严谨的态度。
- exact在句中用作定语或表语。与in连用,表示“在…方面准确〔严谨〕”。
- exact无比较级和最高级形式。
- exact的基本意思是“要求”“索取”,一般指“硬性要求”“强求”。
- exact只用作及物动词,接名词作宾语。常与介词from连用,表示“向(某人)征收〔索取〕…”“迫使(某人)处于某种状态”。
adj. (形容词)
v. (动词)
英汉例句
- Your exact height is 1.65 meters.
你的准确身高是1.65米。 - His memory is very exact; he never makes mistakes.
他的记忆非常准确,从不出错。 - He is exact in his use of words.
他用词确切。 - The job exacts care and attention.
这项工作需要谨慎和集中精力。
用作形容词 (adj.)
用作定语: ~+ n.
用作表语: S+be+~
S+be+~+in n./pron.
用作动词 (v.)
用作及物动词: S+~+ n./pron.
词组短语
- exact amount 精确的数量
- exact description 精确的描述
- exact disciplinarian 严格的实施纪律者
- exact instruments 精密的仪器
- exact likeness 酷似
用作形容词 (adj.)
~+名词
英英字典
- in great detail, or complete, correct, or true in every way
- to demand and get something, sometimes using force or threats
- Exact means correct in every detail. For example, an exact copy is the same in every detail as the thing it is copied from.
- exactly
- You use exact before a noun to emphasize that you are referring to that particular thing and no other, especially something that has a particular significance.
- exactly
- When someone exacts something, they demand and obtain it from another person, especially because they are in a superior or more powerful position.
- If someone exacts revenge on a person, they have their revenge on them.
- If something exacts a high price, it has a bad effect on a person or situation.
- &rarrsee also exactly
- You say to be exact to indicate that you are slightly correcting or giving more detailed information about what you have been saying.
剑桥英英字典
柯林斯英英字典
专业释义
- 正合
Pashall and Scott have studied the structure of the recollement in a triangulated category (cf. 3), there the recollement means to decompose one triangulated category into two triangulated categories which are related by some good exact functors (cf.
Pashall和Scott在3中研究了三角范畴的recollement的结构问题,即将一个已知的三角范畴“分解”为两个三角“子”范畴,并且这两个“子”范畴与原来的已知范畴有一些好的正合函子联系,也见(5,6和12)。经济学
- 确切的
- 精确的