positive
音标发音
- 英式音标 [ˈpɒz.ə.tɪv]
- 美式音标 [ˈpɑː.zə.t̬ɪv]
- 国际音标 ['pɔzətiv, -zi-]
- 英式发音
- 美式发音
基本解释
- adj. 积极的;[数] 正的,[医][化学] 阳性的;确定的,肯定的;实际的,真实的;绝对的
- n. 正数;[摄] 正片
词源解说
- 1300年左右进入英语,直接源自古法语的positif;最初源自拉丁语的positivus,意为裁决。
词根记忆
- posit(看作post,邮件) + ive→邮件上的地址要写清楚→明确的
- pos(放) + it + ive→放在心上的→积极的
- pos(放) + it + ive(形容词后缀)→放正心态的→积极的
- pos(放) + it + ive→放心的→肯定的;积极的
- posit(断定) + ive(有…性质的)→可断定的→肯定的
同根派生
- adv性质的同根词
- positively:肯定地;明确地;断然地。
- n性质的同根词
- posit:假设;设想。
- positivism:实证主义;实证论;积极性;武断。
- positioner:[机]定位器。
- positivist:实证主义者;实证哲学家。
- positivity:积极性,确实。
- positiveness:信心;肯定。
- vt性质的同根词
- posit:安置;假定。
用法辨析
- positive表示“正的,阳性的”“完全的,纯粹的”时,无比较级和最高级。
- positive作表语表示“确信的”时,其后可接介词短语、动词不定式或that从句。
- positive后可接that从句。I am positive that he will agree with me. 我很肯定他会同意我的建议。
- positive的反义词是negative。
adj. (形容词)
英汉例句
- Two is a positive number.
二是一个正数。 - I am positive.
我确信。 - Can you be positive about what you saw?
你能肯定你看得真切吗? - He is positive to believe in the being of God.
他对上帝的存在深信不疑。 - I am positive that I saw him.
我敢肯定我见过他。
用作形容词 (adj.)
用作定语: ~+ n.
用作表语: S+be+~
S+be+~+ prep .-phrase
S+be+~+to- v
S+be+~+that-clause
词组短语
- positive charge 〔number, sign〕 正电〔数,号〕
- positive law 实证法,成文法
- positive pole 阳极
- positive way 正面,积极方面
- boldly positive 大胆地确信
- positive about 〔of〕 确知,确信
- positive to 主动
- Positive Psychology 积极心理学;正面心理学
用作形容词 (adj.)
~+名词
副词+~
~+介词
短语
英英字典
- (HOPEFUL) full of hope and confidence, or giving cause for hope and confidence
- (CERTAIN) certain and without any doubt
- (TEST RESULTS) (of a medical test) showing that a person has the disease or condition for which they are being tested
- (COMPLETE) (used to add force to an expression) complete
- (ABOVE ZERO) (of a number or amount) more than zero
- (ELECTRICITY) being the type of electrical charge that is carried by protons
- (BLOOD TYPE) having the rhesus factor in the blood
- If you are positive about things, you are hopeful and confident, and think of the good aspects of a situation rather than the bad ones.
- positively
- A positive fact, situation, or experience is pleasant and helpful to you in some way.
- The positive in a situation is the good and pleasant aspects of it.
- If you make a positive decision or take positive action, you do something definite in order to deal with a task or problem.
- A positive response to something indicates agreement, approval, or encouragement.
- positively
- If you are positive about something, you are completely sure about it.
- Positive evidence gives definite proof of the truth or identity of something.
- positively
- If a medical or scientific test is positive, it shows that something has happened or is present.
- HIV positive&rarrsee HIV
- A positive number is greater than zero.
- If something has a positive electrical charge, it has the same charge as a proton and the opposite charge to a neutron.
剑桥英英字典
柯林斯英英字典
专业释义
- 阳性率
RESULTS(1)The natural positive carrier rate of the 43 was 100%.
结果(1)43只广西野生银星竹鼠自然携带PM阳性率100%。 - 实证
These three aspects of demand behavior constitute the positive analysis of this paper.
这三个方面的需求分析是本文实证部分的核心内容。 - 阳的
- (医疗效果)令人满意的
- 实证
Positive research.
2、实证研究。法学
- 准正
Moreover, in order to protect the rights of children who are born out of marriage, suggested founding the precise positive and claim system.
另外,为保护非婚生子女的权益,建议建立非婚生子女的准正、认领制度。语言学
- 积极
Testing has positive and negative effect on teaching.
测试对教学有可能产生积极的或消极的反拨效用。 - 肯定
The answer is positive.
回答是肯定的。 - 正面影响
My research question focuses on two aspects. The first aspect is to observe if L1 can play a positive role in English writing and how the positive role works.
研究假设关注以下两个方面:其一,观察母语是否在外语写作中起到正面影响,以及是如何影响的。 - 简单形式的;原级的
- 正的
- 正定性
- 正数;正量;正号
- 积极
②Unconditional positive regards and esteem.
无条件积极关注和尊重的原则。生物学
- (对刺激源)向性的;趋性的
- 正的
- 正的;阳性的
- 阳性的;带正电荷的;缺一个电子的;产生正电的
- 运动精确的(机件)
- 刚性的,动作精确的
- 刚性的;强制的;动作精确的
- 阳的
- (元素)阳性的;盐基性的
- 阳极的
- 积极的
Provide valuable information for mine managers and policy-makers, and played a positive role on safety analysis of working face.
以此为煤矿管理者、决策者提供有价值的信息,对工作面安全分析起到积极的作用。物理学
- 正的
- (透镜)聚光成像的
- 无磁滞现象的
- 正片儿
- 正片;正像
- 正片的
- 正片
- 积极的
- 正极的
- 正
- 正片