Researchers believe that HIV attack fast, there was no time even to the immune system defenseless Huanshou.

研究人员认为，艾滋病毒发动攻势之快，甚至让免疫系统来不及招架还手。

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Researchers who analysed the fast food say that daily consumption of 5 grams or more of trans fats raises the risk of heart attack by 25%.

进行本次快餐食品分析的研究人员说，如果每天食用5克以上反式脂肪，患心脏病的风险就会增加25%。

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Attack Bikes are very fast and powerful. This makes them also ideal for taking out husks quickly and efficiently.

攻击摩托行动非常迅速并且火力强大。这使它们可以快捷高效得清除外壳。

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This suggests that animals with more widely spaced nostrils could attack from better positions while swimming fast.

VOA: special.2010.08.03

Against an attack minus fast bowler Simon Jones (virus) and spinner Gareth Batty (calf), the Worcestershire openers set off at a high tempo, with Carl Greenidge conceding 32 runs from two overs with the new ball.

BBC: Hick knock sinks Gloucestershire

The beauty of McDerment's multifaceted attack is how fast and often he can stay in touch with customers.

FORBES: Magazine Article

At present, more than 60 countries' armed forces use the G-wagen, including the U.S. Marine Corps, which deploys a version as a fast-attack vehicle.

WSJ: Mercedes-Benz G63 AMG Review: Civilians Shouldn't Salute It | Rumble Seat by Dan Neil