To get the most from your exercise plan, experts say adults should get at least two and a half hours of aerobic exercise each week.

VOA: special.2010.06.08

So, today we find ourselves in a very different novelistic world than we've been in for the last week and a half: On the Road.

今天我们将置身于一个完全不同于上周的,小说的世界：《在路上》

耶鲁公开课 - 1945年后的美国小说课程节选

I'm not strong enough to carry a week and a half worth of groceries home.

我实在没力气把一周半所需的食品杂货都搬回家。

与众不同的纽约 - SpeakingMax英语口语达人

Over the last half a week, Apple has been hit with the largest mass-hacking incident in its history.

FORBES: Evasi0n Is The Most Popular Jailbreak Ever: Nearly Seven Million iOS Devices Hacked In Four Days

Jeremy Lin, the 23-year-old Knicks guard, has ascended from afterthought to New York folk hero in half a week.

WSJ: Jeremy Lin's Success Provides Spark For New York Knicks

The program, which has been held twice so far, runs about half a week and features sessions with Facebook's ad experts.

WSJ: The Facebook IPO, One Year Later