Researchers have tried for two decades to find a microbicide to fight H. I. V. transmission.

研究人员二十年来一直在试图寻找一种抗病毒凝胶能够防治艾滋病毒的传播。

youdao

Coal v, Wind: Energy fight rages in W.Va.

煤炭VS风电西弗吉尼亚的能源之争。

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He is the biggest man I 'v ever seen, I wouldn't want to fight him.

他是我所见过的最大个的，我不想和他决斗。

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EpiSurveyor has also been used in efforts to fight H.I.V.

VOA: special.2010.05.03

Unfortunately, shortly before it left office, the Bush Administration adopted just such an analytic flim-flam in a last, desperate bid to prevail in a four-year fight with Congress over termination of the V-22.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Right Way To Respond To The ��Too-Many-Air-Forces�� Criticism: Keep The V-22 Osprey Multi-Service And Multi-Mission

And the fight fraternity will be hoping for a follow-up to Shane Mosley v Oscar de la Hoya - one of the most controversial fights of 2003.

BBC: SPORT | Boxing | Year of promise for fight fans