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。positive相關(guān)詞用法辨析adj. (形容詞)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。 positive使用方法positive詳細辨析英漢例句用作形容詞 (adj.)用作定語: ～+ n.Two is a positive number.二是一個正數(shù)。用作表語: S+be+～I am positive.我確信。S+be+～+ prep .-phraseCan you be positive about what you saw?你能肯定你看得真切嗎?S+be+～+to- vHe is positive to believe in the being of God.他對上帝的存在深信不疑。S+be+～+that-clauseI am positive that I saw him.我敢肯定我見過他。positive更多例句詞組短語用作形容詞 (adj.)～+名詞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,積極方面副詞+～boldly positive 大膽地確信～+介詞positive about 〔of〕 確知,確信positive to 主動短語Positive Psychology 積極心理學(xué);正面心理學(xué)positive更多詞組英英字典劍橋英英字典(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柯林斯英英字典 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. positive劍橋字典positive柯林斯字典專業(yè)釋義醫(yī)藥科學(xué)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)令人滿意的經(jīng)濟學(xué)實證Positive research.2、實證研究。法學(xué)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，為保護非婚生子女的權(quán)益，建議建立非婚生子女的準正、認領(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；原級的數(shù)學(xué)正的正定性正數(shù)；正量；正號心理學(xué)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;陽性的電子、通信與自動控制技術(shù)陽性的；帶正電荷的；缺一個電子的；產(chǎn)生正電的機械工程運動精確的（機件）剛性的，動作精確的剛性的；強制的；動作精確的化學(xué)陽的(元素)陽性的；鹽基性的陽極的能源科學(xué)技術(shù)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)象的攝影正片兒正片；正像正片的正片動力與電氣工程積極的正極的計算機科學(xué)技術(shù)正測繪科學(xué)技術(shù)正片