positive中文什么意思

adj.
1.确实的，明确的；确定的；无条件的 (opp. qualified, implied, inferential); 绝对的，无疑问的，断然的。
2.有自信的；过份自信的，独断的。
3.积极的；建设性的；肯定的 (opp. negative)。
+更多解释...4.〔口语〕十足的，纯粹的。
5.现实的，实在的，实际的 (opp. speculative, theoretical)。
6.【物、数】正的；【物理学】阳性的；【化学】盐基性的。
7.【摄影】正片的。
8.【哲学】实证的。
9. 【语法】原级的。
10.【生物学】(刺激源)向性的，趋性的。
11.〔用作表语[主词补语]〕一定，确信 (to do; that)。
短语和例子
positive proof [evidence] 确实的证据。 a positive fact 无可怀疑的事实。 positive orders 绝对命令，强制的命令。 a positive sort of person 刚愎自用的人。 a positive mind 实事求是的人。 Are you sure Yes, I'm positive . 真的吗？ 当然了。 She is positive to come tomorrow. 她明天一定来。 I am positive that he is right. 我确信他说的对。 in a positive way 从正面，由积极方面。 be positive about [of] 确信，确知 ( positiveof the approach of a violent revolutionary storm 确信一场猛烈的革命风暴的来临)。n.
1.实在；确实；明确性；绝对性；积极性；正面。
2.【语法】原级。
3.(电池的)阳极；【摄影】正片。
4.【数学】正量。adv.
-ly
确实，必定；断然；绝对；积极。n.
-ness
＝positivity.

• a positive:    a正
• positive and:    正“与”门
• a positive answer:    肯定的答复

例句与用法

更多例句：  下一页

1. Electrical positives attract electrical negatives .
   正电荷吸引负电荷。
2. We take the downward direction as positive .
   我取向下的方向为正。
3. A muscle biopsy is positive for fungus .
   肌肉活组织检查发现有真菌侵犯。
4. C is a positive constant, the spring constant .
   C是正的常数，称为弹性系数。
5. It may be thought the doctor was too positive .
   人们或许会觉得医生太自信了。

英文释义

a

1. characterized by or displaying affirmation or acceptance or certainty etc.; "a positive attitude"; "the reviews were all positive"; "a positive benefit"; "a positive demand"
2. reckoned, situated or tending in the direction which naturally or arbitrarily is taken to indicate increase or progress or onward motion; "positive increase in graduating students"
3. indicating existence or presence of a suspected condition or pathogen; "a positive pregnancy test"
   同义词：confirming
4. of or relating to positivism; "positivist thinkers"; "positivist doctrine"; "positive philosophy"
   同义词：positivist, positivistic

形容词

1. involving advantage or good; "a plus (or positive) factor"
   同义词：plus
2. persuaded of; very sure; "were convinced that it would be to their advantage to join"; "I am positive he is lying"; "was confident he would win"
   同义词：convinced, confident
3. marked by excessive confidence; "an arrogant and cocksure materialist"; "so overconfident and impudent as to speak to the queen"; "the less he knows the more positive he gets"
   同义词：cocksure, overconfident
4. having a positive charge; "protons are positive"
   同义词：electropositive, positively charged
5. impossible to deny or disprove; "incontrovertible proof of the defendant''s innocence"; "proof positive"; "an irrefutable argument"
   同义词：incontrovertible, irrefutable
6. formally laid down or imposed; "positive laws"
   同义词：prescribed
7. greater than zero; "positive numbers"

名词

1. a film showing a photographic image whose tones correspond to those of the original subject
2. the primary form of an adjective or adverb; denotes a quality without qualification, comparison, or relation to increase or diminution
   同义词：positive degree