positive
英 [ˈpɒzətɪv] 美 [ˈpɑzətɪv]

adj.

积极的；确实的，肯定的；[数]正的；[医]阳性的

n.

正面；正片；[语]原级形容词；[数]正量

变形

复数：positives

双语释义

adj.(形容词)

1. 确实的,明确的 leaving no possibility of doubt
2. 积极的,肯定的 leading to practical action; sure
3. [P]表现得有信心和有希望的,确信的 showing confidence and hope
4. 正的,阳性的 (of electricity) of the type that is carried by protons; (of a number or quantity) greater than zero
5. [A]完全的,纯粹的 complete; real

英英释义

positive[ 'pɔzətiv, -zi- ]

• n.a film showing a photographic image whose tones correspond to those of the original subject
• adj.
  • characterized by or displaying affirmation or acceptance or certainty etc.

    "a positive attitude"; "the reviews were all positive"; "a positive benefit"; "a positive demand"

  • having a positive electric charge

    "protons are positive"

    同义词：electropositive

  • involving advantage or good

    "a plus (or positive) factor"

    同义词：plus

  • indicating existence or presence of a suspected condition or pathogen

    "a positive pregnancy test"

    同义词：confirming

  • formally laid down or imposed

    "positive laws"

    同义词：prescribed

  • impossible to deny or disprove

    "proof positive"

    同义词：incontrovertibleirrefutable

  • of or relating to positivism

    "positive philosophy"

    同义词：positivistpositivistic

  • 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"

  • greater than zero

    "positive numbers"

  • marked by excessive confidence

    "the less he knows the more positive he gets"

    同义词：cocksureoverconfident

  • persuaded of; very sure

    "I am positive he is lying"

    同义词：convinced(p)confident(p)

词汇搭配

用作形容词 (adj.)～+名词

• 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

副词+～

• boldly positive大胆地确信

～+介词

• positive about〔of〕确知,确信
• positive to主动

词组短语

positive effect积极的效果；明显效果

positive and negative正反；肯定和否定

positive attitude积极态度

positive correlation[化]正相关

positive influence正面影响，积极影响

positive results 阳性反应；积极的结果（positive result的复数）

in a positive way用积极的方法；从正面

positive pressure正压力

positive feedback正反馈

positive response肯定回应；[计]正响应

false positive假阳性

positive change正向的改变

positive and negative effects正负作用

positive factor积极的因素；正因素

positive action积极行动；强制作用

positive energy正能量；正面能量

positive definite[计]正定的

positive control正控制，完全控制

positive interaction n. 正相互作用

positive ion阳离子；正离子

更多收起词组短语

同近义词辨析

definite, certain, positive, sure

这组词都有“无疑的，确信的”的意思，其区别是：

definite指已毫无怀疑的余地。

certain与sure同义，但语气比sure强，着重指有确切理由或不容置疑的证据所支持的确信。

positive语气强烈，指对自己的看法或作的结论的正确性有不可动摇的信念。

sure侧重主观上对某事确信无疑。

双语例句

用作形容词(adj.)

1. He has a positive attitude towards life.
   他对生活持有积极的态度。
2. We regret out inability to let you know anything positive concerning the above firm.
   很抱歉，我方无法让您了解上述公司任何肯定的资料。
3. We still don't have a positive answer as to how he died.
   他究竟是如何死的，我们还未得出明确的答案。
4. These developments will have a positive effect on the stability of our financial market.
   这些发展对稳定我们的金融市场会产生正面的作用。
5. Parameter can be positive or negative.
   参数可以是正数也可以是负数。
6. The blood tests were positive.
   验血结果呈阳性。

用作名词(n.)

1. The relationship with this supplier is positive.
   我与供应商的关系是正面的。
2. There are positive and negative markers.
   有正面和负面的标记。
3. The given parameter value must be positive.
   给出的参数值必须是正数。
4. This property always returns a positive number.
   该属性总是返回正数。
5. 'Short' is the positive and 'shorter' the comparative.
   Short是原级形容词，shorter是比较级形容词。

权威例句

The Positive and Negative Syndrome Scale--Spanish adaptation.
CDK inhibitors: positive and negative regulators of G1-phase progression.
A Simple, Positive Semi-Definite, Heteroskedasticity: An Autocorrelation Consistent Covariance Matrix
Trastuzumab after Adjuvant Chemotherapy in HER2-Positive Breast Cancer
Tumor Invasion and Metastasis: An Imbalance of Positive and Negative Regulation
Cancer metastasis and angiogenesis: An imbalance of positive and negative regulation
Effects of a selective inhibitor of the Abl tyrosine kinase on the growth of Bcr-Abl positive cells
Differential roles of TLR2 and TLR4 in recognition of gram-negative and gram-positive bacterial cell wall components.
Effect of alpha-interferon treatment in patients with hepatitis B e antigen-positive chronic hepatitis B. A meta-analysis.
Trastuzumab in combination with chemotherapy versus chemotherapy alone for treatment of HER2-positive advanced gastric or gastro-oes...