positive

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

adj.

有信心 confident

1. 积极乐观的；自信的
   thinking about what is good in a situation; feeling confident and sure that sth good will happen
   1. a positive attitude/outlook
      乐观的态度 / 前景
   2. the power of positive thought
      乐观思想的力量
   3. She tried to be more positive about her new job.
      她力求对新工作更有信心。
   4. On the positive side , profits have increased.
      从好的方面看，利润增加了。
   5. The report ended on a positive note.
      报告的结尾显得很乐观。

有效；有用 effective/useful

2. 积极的；建设性的；朝着成功的
   directed at dealing with sth or producing a successful result
   1. We must take positive steps to deal with the problem.
      我们必须采取积极步骤处理这个问题。
   2. It will require positive action by all in the industry.
      这将需要业内全体同人和衷共济。
3. 表示赞同的；拥护的
   expressing agreement or support
   1. We've had a very positive response to the idea.
      我们对这个想法反应很好。
4. 良好的；有助益的；正面的
   good or useful
   1. to make a positive contribution to a discussion
      在讨论中献计献策
   2. His family have been a very positive influence on him.
      他的家庭对他有十分良好的影响。
   3. Overseas investment has had a positive effect on exports.
      海外投资对出口有积极影响。

确信；肯定 sure/definite

5. 有绝对把握；确信；肯定
   completely sure that sth is correct or true
   1. I can't be positive about what time it happened.
      我说不准这事是什么时间发生的。
   2. She was positive that he had been there.
      她确信他曾在场。
   3. ‘Are you sure?’ ‘Positive.’
      “你敢肯定吗？”“绝对肯定。”
6. 完全的；绝对的
   complete and definite
   1. He has a positive genius for upsetting people.
      他气人的本事可大呢。
   2. It was a positive miracle that we survived.
      我们能够生还，完全是个奇迹。
7. 证据确凿的；明确的
   giving clear and definite proof or information
   1. We have no positive evidence that she was involved.
      我们没有确凿证据证明她参与其事。
   2. This is proof positive that he stole the money.
      这就是他偷钱的肯定证据。

科学试验 scientific test

8. 阳性的；证明…存在的
   showing clear evidence that a particular substance or medical condition is present
   1. a positive pregnancy test
      呈阳性反应的怀孕检测
   2. The athlete tested positive for steroids.
      这个运动员类固醇检测呈阳性。
   3. to be HIV positive
      艾滋病病毒化验呈阳性

数目；数量 number/quantity

9. 正数的
   greater than zero

电 electricity

10. 正电的；正极的
    containing or producing the type of electricity that is carried by a proton
    1. a positive charge
       正电荷
    2. the positive terminal of a battery
       电池的正极

noun

优点 good quality

1. 优势；优点
   a good or useful quality or aspect
   1. Take your weaknesses and translate them into positives.
      把你自己的弱点变成优点。

摄影 in photography

2. 正片
   a developed film showing light and dark areas and colours as they actually were, especially one printed from a negative

化验结果 result of test

3. 阳性结果（或反应）
   the result of a test or an experiment that shows that a substance or condition is present

adj. 积极的；[数] 正的，[医][化学] 阳性的；确定的，肯定的；实际的，真实的；绝对的 n. 正数；[摄] 正片

名词复数形式:positives

positive 乐观的，积极的，实证的，阳性的，正极的

来自position,放置，位置，-ive,形容词后缀。即放好的，有位置的，原用于法律术语解决的，后引申诸多正面词义。

1. Pupils should be helped to adopt a positive approach to the environment.
   应帮助学生对环境采取积极的态度。
2. He was stripped of his Olympic title after testing positive for anabolic steroids.
   在促蛋白合成类固醇检测呈阳性后，他被取消了奥林匹克冠军头衔。
3. We need a positive programme of crime prevention.
   我们需要制订一个能有效预防犯罪的方案。
4. We live in a world of duality, day and night, positive and negative, male and female, etc.
   我们生活在一个二元对立的世界：昼和夜，正和负，男和女等等。
5. A positive pregnancy test soon confirmed her intuitive feelings.
   阳性孕检结果很快证实了她的直觉。
6. I adopted a positive outlook on life
   我开始抱持积极向上的人生观。
7. Be positive about your future and get on with living a normal life
   要对自己的未来充满信心，继续过一种正常的生活。
8. Her husband became much more positive and was soon back in full-time employment.
   她丈夫自信大增，不久便重新开始全职工作。
9. The parting from his sister had a positive effect on John
   和姐姐分开对约翰来说有好处。
10. Working abroad should be an exciting and positive experience for all concerned.
    在海外工作对所有相关人员来说都应该是一段让人兴奋而愉快的经历。
11. There are positive changes that should be implemented in the rearing of animals
    应该对动物饲养进行明确的改革。
12. He was expected to make a very positive contribution to the 1996 Games organisation
    人们期待他为1996年奥运会的组织做出积极的贡献。
13. Having a good diet gives me a sense that I'm doing something positive and that I'm in control.
    合理膳食让我感觉自己并非无所作为且能安排好自己的生活。
14. There's been a positive response to the UN Secretary-General's recent peace efforts.
    联合国秘书长近期为和平所作出的努力得到了积极的回应。
15. I'm as positive as I can be about it
    我对它有绝对的把握。
16. 'She's never late. You sure she said eight?' — 'Positive.'
    “她从不迟到，你肯定她说的是8点？”——“肯定。”
17. There was no positive evidence that any birth defects had arisen as a result of Vitamin A intake.
    没有确凿证据证明，摄取维生素A会导致出生缺陷。
18. If the test is positive, a course of antibiotics may be prescribed
    如果化验结果呈阳性，可能会开一个疗程的抗生素。
19. Good day to you, Bernard! It's a positive delight to see you
    你好，伯纳德！见到你真高兴。
20. He was in a positive fury
    他确实发怒了。
21. The man was being a positive embarrassment.
    这位男士极为尴尬。
22. It's really a simple numbers game with negative and positive numbers.
    它其实就是正负数的简单数字游戏。
23. The Windermere Golf Club is proof positive that golf and ecology can co-exist in perfect harmony.
    温德米尔高尔夫俱乐部证明了高尔夫和生态能完全和谐共存。
24. Children who have a positive self-image are less likely to present behaviour and discipline problems.
    自我感觉良好的孩子较少出现行为和纪律上的问题。
25. We share his view that business can be a positive force for change
    我们同意他的观点，认为商业可以是促进变革的一种积极力量。
26. If you want to improve your situation you must adopt a positive mental attitude.
    如果你打算改变自己的境遇，就必须树立一种积极的心态。
27. I think there are many positive aspects to being a twin
    我认为身为双胞胎中的一个有很多积极方面。
28. Take two coloured pens and underline the positive and negative words.
    用两支彩笔分别在表示肯定和否定意义的词下面画线。
29. This research has been in progress since 1961 and has yielded a great number of positive results
    这项研究自1961年起一直在开展，已取得了不少积极成果。
30. Can you be positive about what you saw?
    你能肯定你看得真切吗？