Two athletes tested positive for steroids.
两名运动员的类固醇试验呈阳性。
There are positive changes that should be implemented in the rearing of animals.
应该积极改变动物的饲养方式。
This research has been in progress since 1961 and has yielded a great number of positive results.
这项研究自1961年以来一直在开展，已经取得了大量的积极成果。
The forum's members share his view that business can be a positive force for change in developing countries.
论坛的成员们都赞同他的观点，即商业在发展中国家可以成为变革的积极推动力。
Consumers generally place more weight on negative information than on the positive when deciding what to buy.
消费者在决定购买的时候，一般更看重负面信息而不是正面信息。
She had managed to pull herself together and, to her credit, continued to look upon life as a positive experience.
她努力使自己振作起来，并且值得称赞的是，她一如既往地积极面对人生。
Learning to relax by whichever method suits you best is a positive way of contributing to your overall good health.
学会以最适合你的方法来放松是改善身体整体健康状况的一个积极办法。
His estimate of half a million HIV-positive cases was based on an extrapolation of the known incidence of the virus.
他的50万HIV阳性病例的估计是基于对已知病毒发病率的推断。
How do we cultivate positive emotions?
我们该如何培养积极的情感呢？
He thinks AI will be positive for humans.
他认为人工智能将对人类产生积极影响。
It measured positive and negative emotions independently.
它分别评测了积极和消极情绪。
Joseph Meehan has shared his own positive videos with strangers.
约瑟夫·米汉与陌生人分享了自己积极的视频。
Positive reinforcement should be provided regardless of the outcome.
无论结果如何，都应给予积极的支持。
If she can't be positive or respectful, then you can't be around her.
如果她不是积极的或是能够尊重他人的人，那么你会不再跟她来往了。
Willpower is most dynamic when applied to positive, uplifting purposes.
意志力在用于积极向上的目标时是最具活力的。
Why not provide some positive goals for students and teachers to aim at?
为什么不为学生和老师提供一些积极的目标呢？
He maintains most of the feedback he has received has been overwhelmingly positive.
他坚持认为，他收到的大多数反馈都非常积极。
Cultivating positive interpersonal relationships helped him expel solitary feelings.
培养积极的人际关系有助于他排除孤独感。
Usually associated with positive meanings, green is most strongly connected with life.
绿色通常与积极的含义联系在一起，它与生活紧密相连。
In short bursts, these hormones have a positive effect, including improved memory function.
短时间内这些激素会产生积极的影响，其中包括改善记忆功能。
Consistent messaging of positive behaviors will show healthier lifestyles for kids to follow.
持续传递积极行为的信息，会向孩子们展示更健康的生活方式，以供他们效仿。
Positive emotions facilitate the creative aspects of learning and negative emotions inhibit it.
积极情绪促进学习的创造性，而消极情绪则会对其产生抑制作用。
Barbara Frederickson, a leading international authority on the importance of positive emotions, says humans are genetically programmed to seek positive emotions such as love and joy.
芭芭拉·弗雷德里克森是研究积极情绪重要性的国际领先权威，她说，人类的基因决定了寻求积极情绪，比如爱和快乐。
I have patients who are HIV-positive and asymptomatic.
我的一些艾滋病毒检测呈阳性的病人，没有任何症状。
A proton is an elementary particle of matter that possesses a positive charge.
质子是带正电荷的物质的基本粒子。
There was no positive evidence that any birth defects had arisen as a result of Vitamin A intake.
没有确凿证据表明摄入维生素A会导致先天缺陷。
我们需要积极的态度。
Rick has tried to be positive (积极的) about his health.
里克试着对自己的健康状况保持乐观态度。
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