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。
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。
To sum up, we should try to bring the advantages of the Internet into full play while reducing its disadvantages to the minimum at the same time.
总之，我们应该尽量充分发挥互联网的优势，同时将其劣势降到最低。
Stories were like air to me and while other kids played ball or went to parties, I lived out adventures through the books I checked out from the library.
故事对我来说就像空气一样，当别的孩子打球或参加聚会的时候，我却通过从图书馆借来的书，过着冒险般的生活。
Birds shelter in nests, rock overhangs, trees, and dense shrubs to avoid the hottest hours of the day, while mammals like the kangaroo rat burrow underground.
鸟类在巢穴、岩石悬垂处、树丛以及茂密的灌木丛中寻找庇护，以躲避一天中最热的时候；而像更格卢鼠这样的哺乳动物则选择藏身于地下的洞穴中。
One day, while I was waiting for my father, I saw a little boy, around two years old, running freely on the grass as his mother watched from a short distance.
一天，当我在等爸爸的时候，我看见一个大约两岁的小男孩在草地上自由地奔跑，他妈妈就在不远处看着。
The authors of the United States Constitution attempted to establish an effective national government while preserving autonomy for the states and liberty for individuals.
美国宪法的起草者试图建立一个有效的国家政府，同时保持各州的自治和个人的自由。
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。
The best seek to alleviate the external pressures on their pupils while equipping them better to understand and handle the world outside—at once sheltering them and broadening their horizons.
最好的办法是减轻学生的外部压力，同时让他们更好地理解和应对外面的世界，这样既保护他们，又拓宽他们的视野。
Heidi ran over to her beloved fir-trees and danced about, while the wind was howling in the branches.
海蒂跑向她心爱的枞树，在风声呼啸的树枝间蹦蹦跳跳。
Many centuries ago, in West Africa, traditional storytellers played musical instruments while they were telling stories.
许多世纪以前，在西非，传统的说书人一边讲故事，一边演奏乐器。
Let us jump while we still have the strength! So, we must think of danger in times of safety and always be prepared for the worst.
趁我们还有力气，跳起来吧！所以，我们必须居安思危，未雨绸缪。
When I was a child, I liked to go to the market with my grandmother, seeing her pick over the vegetables while talking with the sellers.
小时候，我总喜欢和奶奶去菜市场，看着她边和卖菜的人聊天，边细细地挑选蔬菜。
Modesty helps one go forward while pride makes one fall behind.
谦虚使人前进，骄傲让人落后。
Modesty helps one go forward while pride makes one fall behind.
谦虚使人进步，骄傲让人落后。
The girl thought for a while and then said, "Mom, why are all of Grandma's hairs grey?"
小女孩想了一会儿，然后说：“妈妈，为什么奶奶的头发都是灰色的？”
Love your parents while they are alive.
父母在世的时候，要好好爱他们。
I feel happy while trying to help others.
在帮助别人的过程中，我感到很快乐。
I always keep a dictionary beside me while learning English.
我学英语时总是把字典放在身边。
The swift is a very fast bird that can sleep while it flies!
雨燕是一种飞得很快的鸟，它可以边飞边睡！
Turn the tap off while you soap your hands or brush your teeth.
洗手或刷牙时把水龙头关掉。
They are gathering flowers while singing in groups and having fun.
他们成群结队，一边采花，一边唱歌，尽情欢乐。
It is impolite to push in before others while waiting for the bus.
等公共汽车时插队是不礼貌的。
Would you mind taking care of my pet fish while I'm away on holiday?
我外出度假时，你能照顾一下我的宠物鱼吗？
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