- consisting in or characterized by the presence or possession of features or qualities rather than their absence实际的, 实在的, 真实的。
- (of a statement or decision) expressing or implying affirmation, agreement, or permission（观点, 决定）肯定的：
the company received a positive response from investors.
该公司得到了投资者的肯定回应。
- (of the results of a test or experiment) indicating the presence of something（测试, 试验结果）阳性的：
three players who had tested positive for cocaine use.
因服用可卡因测试呈阳性的三位运动员。
- in combination(of a person or their blood) having a specified substance or condition（人, 人的血液）呈阳性的：
HIV-positive.
HIV阳性。
- constructive in intention or attitude（意向, 态度）建设性的：
there needs to be a positive approach to young offenders.
对年轻的违法者需要有一个建设性的办法。
- showing optimism and confidence乐观的, 自信的：
I hope you will be feeling very positive about your chances of success.
我希望你对自己成功的可能应该感到非常乐观。
- showing pleasing progress, gain, or improvement积极的, 有喜人进步（或进展、改观）的：
the election result will have a positive effect because it will restore people's confidence.
选举结果将产生积极的影响, 因为它会恢复人们的信心。
- with no possibility of doubt; clear and definite毋庸置疑的, 明确的：
he made a positive identification of a glossy ibis.
他明确地识别出了彩鹮。
- convinced or confident in one's opinion; certain确信的; 有把握的：
'You are sure it was the same man?' 'Positive!' said George
“你确信这是同一个人吗？”“确信！”乔治说。
with clause I am positive that he is not coming back.我确信他不会回来。
- attrib. informal downright; complete (used for emphasis)〈非正式〉［用于强调］完全的：
it's a positive delight to see you.
见到你真是太高兴了。
- of, containing, producing, or denoting an electric charge opposite to that carried by electrons正电的。
- (of a photographic image) showing lights and shades or colours true to the original（照片影像）正片的, 正像的。
- Grammar (of an adjective or adverb) expressing a quality in its basic, primary degree【语法】（形容词, 副词）原级的。与COMPARATIVE和SUPERLATIVE相对。
- chiefly Philosophy dealing only with matters of fact and experience; not speculative or theoretical【主哲】实证的, 实在的。比较POSITIVISM（义项1）。
- (of a quantity) greater than zero（数量）正的。
- Astrology of, relating to, or denoting any of the air or fire signs, considered active in nature【占星】（风宫, 火宫）积极的。
- a good, affirmative, or constructive quality or attribute优点; 积极性特征; 建设性特点：
take your weaknesses and translate them into positives
正视你的弱点并把它们转化为优点
to manage your way out of recession, accentuate the positive.
要摆脱沮丧, 你要多看到优点。
- a photographic image showing lights and shades or colours true to the original, especially one printed from a negative正片, 正像。
- a result of a test or experiment indicating the presence of something阳性结果：
let us look at the distribution of those positives.
让我们看看那些阳性结果的分布情况。
- mass noun the part of an electric circuit that is at a higher electrical potential than another point designated as having zero electrical potential正极, 阳极。
- Grammar an adjective or adverb in the positive degree【语法】原级形容词; 原级副词。
- a number greater than zero正数。