Testosterone is also the hormone that aids single-mindedness and helps avoid fatigue.

睾酮还有助于专注力和避免疲劳。

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He said it was wrong to single out any section of society for AIDS testing.

他说挑出社会任何一部份人做艾滋病检查都是错误的。

《柯林斯英汉双解大词典》

It means that every single page needs navigation AIDS to help readers along in their journey.

这意味着每个单独的网页都需要导航助理来帮助读者浏览网页。

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The bad news: A Harvard University team discovered that the virus was able to outsmart another AIDS vaccine with a single mutation.

FORBES: Drug Companies Target AIDS

Next week will also see the release of a celebrity fundraising single for victims of Aids in Africa, and for victims of the terror attacks of 11 September in New York.

BBC: Stars release Damilola tribute single

EU's single market, fights a constant battle against state aids with only mixed success.

ECONOMIST: No harm done