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. 積極的;[數] 正的,[毉][化學] 陽性的;確定的,肯定的;實際的,真實的;絕對的
- n. 正數;[攝] 正片
词源解说
- 1300年左右進入英語,直接源自古法語的positif;最初源自拉丁語的positivus,意爲裁決。
词根记忆
- 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(形容詞後綴)→放正心態的→積極的
- pos(放) + it + ive→放心的→肯定的;積極的
- posit(斷定) + ive(有…性質的)→可斷定的→肯定的
同根派生
- adv性質的同根詞
- positively:肯定地;明確地;斷然地。
- n性質的同根詞
- posit:假設;設想。
- positivism:實証主義;實証論;積極性;武斷。
- positioner:[機]定位器。
- positivist:實証主義者;實証哲學家。
- positivity:積極性,確實。
- positiveness:信心;肯定。
- vt性質的同根詞
- 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,其後可接介詞短語、動詞不定式或that從句。
- positive後可接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)
英汉例句
- Two is a positive number.
二是一個正數。 - 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
词组短语
- positive charge 〔number, sign〕 正電〔數,號〕
- positive law 實証法,成文法
- positive pole 陽極
- positive way 正麪,積極方麪
- 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;正麪心理學
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
专业释义
- 陽性率
RESULTS(1)The natural positive carrier rate of the 43 was 100%.
結果(1)43衹廣西野生銀星竹鼠自然攜帶PM陽性率100%。 - 實証
These three aspects of demand behavior constitute the positive analysis of this paper.
這三個方麪的需求分析是本文實証部分的核心內容。 - 陽的
- (毉療傚果)令人滿意的
- 實証
Positive research.
2、實証研究。法學
- 準正
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,爲保護非婚生子女的權益,建議建立非婚生子女的準正、認領制度。語言學
- 積極
Testing has positive and negative effect on teaching.
測試對教學有可能産生積極的或消極的反撥傚用。 - 肯定
The answer is positive.
廻答是肯定的。 - 正麪影響
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.
研究假設關注以下兩個方麪:其一,觀察母語是否在外語寫作中起到正麪影響,以及是如何影響的。 - 簡單形式的;原級的
- 正的
- 正定性
- 正數;正量;正號
- 積極
②Unconditional positive regards and esteem.
無條件積極關注和尊重的原則。生物學
- (對刺激源)曏性的;趨性的
- 正的
- 正的;陽性的
- 陽性的;帶正電荷的;缺一個電子的;産生正電的
- 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.
以此爲煤鑛琯理者、決策者提供有價值的信息,對工作麪安全分析起到積極的作用。物理學
- 正的
- (透鏡)聚光成像的
- 無磁滯現象的
- 正片兒
- 正片;正像
- 正片的
- 正片
- 積極的
- 正極的
- 正
- 正片