As engines get smaller, yet maintain the power density of a larger engine, the valves in them tend to take a greater beating.

发动机越来越小巧，却仍保留了大号发动机的动力密度，这时气门会承受更大的热量。

youdao

Let us know what you think and tell us what alternative search engine is your favorite. Also vote for the search technology you think stands the best chance of beating Google, in our poll.

让我们知道你的想法，告诉我们你在搜索引擎方面有没有什么偏好。

youdao

Microsoft Bing became the 2nd most popular search engine in North America, beating Yahoo for the position, according to AD network Chitika.

广告网络Chitika发布最新数据显示，微软搜索引擎“必应”已超越雅虎，成为北美第二大搜索引擎。

youdao

Gilder generally avoids software, but I've always regarded Inktomi's software search engine as the beating pulse of the Net.

FORBES: Digital Rules

Tom Vautier, after overcoming engine failure, finished 19th, 17th and 20th, but had the satisfaction of beating the editor of Superbike magazine in the Rookie 600 event.

BBC: Jersey's racers toil in Norfolk