In sub-Saharan Africa, the area hardest hit by AIDS, for every person who gets treated, two others go untreated.

VOA: special.2011.05.18

And most of these commands you don't actually need but this little caret symbol means control, so every keyboard these days has a control key so you hold that and hit X for instance to exit the program.

这里大多数命令你们都用不着,这个小插入符意味着控制，每个键盘都有一个控制键,譬如，当你敲入X时，就退出这个程序。

哈佛公开课 - 计算机科学课程节选

Every time you hit the enter key in Notepad or in Microsoft Word, small white lie, those two characters end up getting saved in the file.

在Notepad或Microsoft里，每当你敲回车键时，没有恶意哈，这两个字符,都会保存在文档里。

哈佛公开课 - 计算机科学课程节选

Unless the company unexpectedly launches another spectacular drug very soon, its earnings will slide with every hit.

FORBES: Move up http://i.forbesimg.com t Move down

Since 2003 the Tour has recorded detailed information about every shot hit by every player in every PGA Tour round.

WSJ: Why Scientists Love to Study Golf

While 1km-size and bigger asteroids are thought to hit only once every 500, 000 years, on average, rocks 50-100 metres across, like the Tunguska object, are thought to hit the planet once every thousand years.

ECONOMIST: A large asteroid sweeps by Earth. Where are the others?