Sarah and I had a great time while the kids were away.
萨拉和我在孩子们不在时度过了一段美好的时光。
We've asked the neighbours to keep an eye on the house for us while we are away.
我们已请邻居在我们离开时帮我们照看一下房子。
Work while you work, and rest while you rest.
工作的时候工作，休息的时候休息。
Don't cry while it is over; smile for it happened.
不要因为结束而哭泣，为曾经拥有而微笑。
Play while you play, and work hard while you work.
玩的时候就尽情地玩，工作的时候就努力工作。
A good idea struck me while I was walking along the river.
我在河边散步时突然有了一个好主意。
As the saying goes: Work while you work, play while you play.
俗话说得好，该工作时工作，该娱乐时娱乐。
The children clapped out a regular time while the teacher played the tune.
老师弹曲子时，孩子们有节奏地击掌打拍子。
A good book can capture the imagination while improving children's knowledge of the world.
一本好书可以启发孩子们的想象力，同时提高他们对世界的认识能力。
If you want me to watch the kids for a couple of hours while you go out, just let me know.
如果你想在出门时让我帮忙照看孩子们几个小时，跟我说一声就行了。
Red represents happiness, luck and fortune while yellow symbolizes imperial holiness and dignity.
红色代表幸福、幸运和财富，而黄色象征帝王的神圣和尊严。
American tourists enjoy stocking up on inexpensive high quality Caribbean rum while they're on vacation.
美国游客在度假时喜欢囤积价廉质优的加勒比朗姆酒。
Tropical plants like their surroundings bright and humid, while cacti need sunlight but very little water.
热带植物喜欢明亮且潮湿的环境，而仙人掌需要光照但只需要很少的水。
One afternoon, I went into an art museum while waiting for my husband. I hoped to enjoy the works of art quietly.
一天下午，我在等我丈夫时走进了一家美术馆。我希望能静静地欣赏艺术作品。
E-book sales are up 146 percent over last year, while hardback sales increased 6 percent and paperbacks decreased 8 percent.
电子书销量比去年增长了146%，而精装本销量增长了6%，平装本销量下降了8%。
Good science journalists are specialists in making complex topics accessible to a general audience, while adhering to scientific accuracy.
优秀的科学记者善于在坚持科学准确性的同时，让普罗大众理解复杂的主题。
While most old universities have modernised radically to accommodate their growing populations, Oxford has managed to expand while still preserving its traditional structure.
当大多数古老的大学都进行了彻底的现代化以适应它们不断增长的人口时，牛津大学却成功地在扩张的同时保留了它的传统结构。
Let me write it down while it's still fresh in my mind.
趁记忆犹新，我来把它写下来。
We look at the moon while eating moon cakes.
我们一边看月亮一边吃月饼。
My family hosted a few foreign exchange students while I was growing up.
在我成长的过程中，我的家庭接待过一些外国交换生。
Pinocchio thought a while and then said firmly: "No, I don't want to go."
皮诺乔想了一会儿，坚定地说：“不，我不想去。”
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