positive
音標(biāo)發(fā)音
- 英式音標(biāo) [?p?z.?.t?v]
- 美式音標(biāo) [?pɑ?.z?.t??v]
- 國際音標(biāo) ['p?z?tiv, -zi-]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- adj. 積極的；[數(shù)] 正的，[醫(yī)][化學(xué)] 陽性的；確定的，肯定的；實際的，真實的；絕對的
- n. 正數(shù)；[攝] 正片
詞源解說
- 1300年左右進(jìn)入英語，直接源自古法語的positif；最初源自拉丁語的positivus，意為裁決。
詞根記憶
- posit(看作post，郵件) + ive→郵件上的地址要寫清楚→明確的
- pos(放) + it + ive→放在心上的→積極的
- pos(放) + it + ive(形容詞后綴)→放正心態(tài)的→積極的
- pos(放) + it + ive→放心的→肯定的；積極的
- posit(斷定) + ive(有…性質(zhì)的)→可斷定的→肯定的
同根派生
- adv性質(zhì)的同根詞
- positively：肯定地；明確地；斷然地。
- n性質(zhì)的同根詞
- posit：假設(shè)；設(shè)想。
- positivism：實證主義；實證論；積極性；武斷。
- positioner：[機]定位器。
- positivist：實證主義者；實證哲學(xué)家。
- positivity：積極性，確實。
- positiveness：信心；肯定。
- vt性質(zhì)的同根詞
- posit：安置；假定。
用法辨析
- positive表示“正的,陽性的”“完全的,純粹的”時,無比較級和最高級。
- positive作表語表示“確信的”時,其后可接介詞短語、動詞不定式或that從句。
- positive后可接that從句。I am positive that he will agree with me. 我很肯定他會同意我的建議。
- positive的反義詞是negative。
adj. (形容詞)
英漢例句
- Two is a positive number.
二是一個正數(shù)。 - I am positive.
我確信。 - Can you be positive about what you saw?
你能肯定你看得真切嗎? - He is positive to believe in the being of God.
他對上帝的存在深信不疑。 - I am positive that I saw him.
我敢肯定我見過他。
用作形容詞 (adj.)
用作定語: ～+ n.
用作表語: S+be+～
S+be+～+ prep .-phrase
S+be+～+to- v
S+be+～+that-clause
詞組短語
- positive charge 〔number, sign〕 正電〔數(shù),號〕
- positive law 實證法,成文法
- positive pole 陽極
- positive way 正面,積極方面
- boldly positive 大膽地確信
- positive about 〔of〕 確知,確信
- positive to 主動
- Positive Psychology 積極心理學(xué);正面心理學(xué)
用作形容詞 (adj.)
～+名詞
副詞+～
～+介詞
短語
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.
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 陽性率
RESULTS(1)The natural positive carrier rate of the 43 was 100%.
結(jié)果(1)43只廣西野生銀星竹鼠自然攜帶PM陽性率100%。 - 實證
These three aspects of demand behavior constitute the positive analysis of this paper.
這三個方面的需求分析是本文實證部分的核心內(nèi)容。 - 陽的
- (醫(yī)療效果)令人滿意的
- 實證
Positive research.
2、實證研究。法學(xué)
- 準(zhǔn)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，為保護(hù)非婚生子女的權(quán)益，建議建立非婚生子女的準(zhǔn)正、認(rèn)領(lǐng)制度。語言學(xué)
- 積極
Testing has positive and negative effect on teaching.
測試對教學(xué)有可能產(chǎn)生積極的或消極的反撥效用。 - 肯定
The answer is positive.
回答是肯定的。 - 正面影響
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.
研究假設(shè)關(guān)注以下兩個方面:其一,觀察母語是否在外語寫作中起到正面影響,以及是如何影響的。 - 簡單形式的；原級的
- 正的
- 正定性
- 正數(shù)；正量；正號
- 積極
②Unconditional positive regards and esteem.
無條件積極關(guān)注和尊重的原則。生物學(xué)
- (對刺激源)向性的；趨性的
- 正的
- 正的;陽性的
- 陽性的；帶正電荷的；缺一個電子的；產(chǎn)生正電的
- 運動精確的（機件）
- 剛性的，動作精確的
- 剛性的；強制的；動作精確的
- 陽的
- (元素)陽性的；鹽基性的
- 陽極的
- 積極的
Provide valuable information for mine managers and policy-makers, and played a positive role on safety analysis of working face.
以此為煤礦管理者、決策者提供有價值的信息,對工作面安全分析起到積極的作用。物理學(xué)
- 正的
- （透鏡）聚光成像的
- 無磁滯現(xiàn)象的
- 正片兒
- 正片；正像
- 正片的
- 正片
- 積極的
- 正極的
- 正
- 正片