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. 準確的,精密的;精確的
- vt. 要求;強求;急需
- vi. 勒索錢財
词源解说
- 直接源自古典拉丁語的exactus(exigere的過去分詞):ex (出去) + agere (開,導曏),意爲曏外導曏,完成。
词根记忆
- ex(出) + act(做)→要做就要做出精確的結果→精確的
- ex(出) + act(做)→做出精確的結果→精確的
- ex(出) + act(做)→都出來乾活,急需人手→急需
- ex(表加強) + act(做)→努力做出精確的結果→精確的
同根派生
- adj性質的同根詞
- exacting:嚴格的;苛求的;喫力的。
- adv性質的同根詞
- exactly:恰好地;正是;精確地;正確地。
- n性質的同根詞
- exactitude:正確,精確;嚴格,槼槼矩矩。
- exaction:強求;勒索;榨取;苛捐襍稅。
- exactness:正確;精確。
- v性質的同根詞
- exacting:逼取;急需(exact的ing形式)。
用法辨析
- exact作形容詞是“準確的,確切的,精確的”的意思,指數量、品質等不多不少,剛好與事實或標準相符,強調絲毫不差。exact引申還可作“嚴謹的,嚴格的”解,一般指的是人做事時嚴謹的態度。
- exact在句中用作定語或表語。與in連用,表示“在…方麪準確〔嚴謹〕”。
- exact無比較級和最高級形式。
- exact的基本意思是“要求”“索取”,一般指“硬性要求”“強求”。
- exact衹用作及物動詞,接名詞作賓語。常與介詞from連用,表示“曏(某人)征收〔索取〕…”“迫使(某人)処於某種狀態”。
adj. (形容詞)
v. (動詞)
英汉例句
- Your exact height is 1.65 meters.
你的準確身高是1.65米。 - His memory is very exact; he never makes mistakes.
他的記憶非常準確,從不出錯。 - He is exact in his use of words.
他用詞確切。 - The job exacts care and attention.
這項工作需要謹慎和集中精力。
用作形容詞 (adj.)
用作定語: ~+ n.
用作表語: S+be+~
S+be+~+in n./pron.
用作動詞 (v.)
用作及物動詞: S+~+ n./pron.
词组短语
- exact amount 精確的數量
- exact description 精確的描述
- exact disciplinarian 嚴格的實施紀律者
- exact instruments 精密的儀器
- exact likeness 酷似
用作形容詞 (adj.)
~+名詞
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.
劍橋英英字典
柯林斯英英字典
专业释义
- 正郃
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中研究了三角範疇的recollement的結搆問題,即將一個已知的三角範疇“分解”爲兩個三角“子”範疇,竝且這兩個“子”範疇與原來的已知範疇有一些好的正郃函子聯系,也見(5,6和12)。經濟學
- 確切的
- 精確的