I walked back while the others rode in the car.

别人都乘车，而我是走回来的。

《牛津词典》

While the twins played cards, Leona sat reading.

那对双胞胎玩牌的时候，利昂娜坐着看书。

《柯林斯英汉双解大词典》

While the pasta is cooking, prepare the sauce.

煮面的工夫，准备浇头。

《牛津词典》

Scientists say the Pacific plate is moving toward the northwest, while the North American plate is moving more to the southeast.

VOA: special.2010.01.12

And third, they were required to put together implementation plan while they did the cost-benefit analysis to Merrill Lynch for offering this product to service.

第三，要求他们整合,实施计划,做出成本效益分析,以让美林推出该产品。

麻省理工公开课 - 媒体、教育、市场课程节选

So, while the wine itself is very interesting,

虽然这个酒庄本身就很有趣，

我的职业是 - SpeakingMax英语口语达人

While the average did finish lower, the intraday price action is suggestive of capitulation.

FORBES: Briefing Book: A. Michael Lipper

Licensing rules should also be standardised, while the drink-drive limit should be lowered, it said.

BBC: Call for UK-wide 50p per unit price

While the tactic works for discounters like Wal-Mart, it has not motivated department-store shoppers.

FORBES: Bargain Bin