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TOEFL IELTS BNC: 1198 COCA: 1049
positive/ˋpɑzətIv; ˈpɒzətIv or ˈpɒzItIv/ adj 1 hopeful and confident [ negative ] 积极乐观的﹔有信心的: You should try and be more positive. 你应当尽量乐观些。positive attitude/approach a positive attitude to life 积极的生活态度2 good or useful [ negative ] 好的﹐积极的﹐有助益的: Reducing stress has a positive effect on health. 减轻压力对健康有良好作用。The school has made a positive contribution to the community. 这所学校对社区作出了积极贡献。I wanted to do something positive to help him. 我想做些有益的事来帮助他。3 expressing support, agreement, or approval [ negative ] 积极的﹐拥护的﹐赞同的: We’ve had a positive response to our suggestions. 我们提出的建议得到了积极的回应。4 showing that you definitely want to achieve something 积极的﹐确切的: The situation requires positive action by the government. 这个局面要求政府采取积极行动。We’re taking positive steps to ensure that it doesn’t happen again. 我们正采取积极措施确保此事不再发生。5 [not before noun 不用于名词前] very sure that something is true [ certain ] 确信的﹐肯定的: ‘Are you sure you don’t want a drink?’ ‘Positive.’ “你肯定不要来杯饮料吗？”“肯定不要。”+(that) I’m absolutely positive I locked the door. 我绝对肯定我把门锁上了。6 showing that there can be no doubt that something is true 确凿的﹐确实的: the first positive evidence that life exists on other planets 其他行星上存在生命的第一条确切证据7 a scientific test that is positive shows that a chemical or medical condition is present [ negative ] 〔科学试验呈〕阳性的: He tested positive for drugs. 他的毒品检测呈阳性。8 technical a positive number is higher than zero【术语】〔数字〕正的﹐正数的9 technical having the type of electrical charge that is carried by PROTONS 【术语】〔电荷〕正极的﹐阳性的

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