Scientists do not know why dinosaurs became extinct,but some theories postulate that changers in geography,climate,and sea levels were responsible.
科学家不知道恐龙为何绝种了，但是一些理论推断是地理，气候和海平面的变化造成的。
time:4/29/2010 12:02:26 AM

Sean, it's fine. You should check this out
肖恩，这个不错。你应该过来看看。
time:4/28/2010 11:57:00 PM

See to it that the door is safely locked before you go
你走之前一定要锁好门。
time:4/28/2010 11:56:55 PM

Several years ago,Chinese streets were filled with people wearing identical drab clothing . Today,however,things are quite different and the streets are awash with people wearing fashionable bright colored outfits . Why has the change taken place?
许多年前，中国大街上的人都穿一样的灰褐色衣服。然而，今天的情况大不一样了，街上满是一个个身穿色彩艳丽的…
time:4/29/2010 7:51:59 AM

Severe snowstorms wreaked havoc on traffic
严重的暴风雪使交通瘫痪。
time:4/28/2010 11:53:01 PM

Shakespeare made his mark as a playwright
莎士比亚作为一个剧作家享有盛名。
time:4/28/2010 11:56:57 PM

She could hardly contain her excitement.
她抑制不住内心的激动。
time:4/28/2010 11:59:30 PM

She dyed her hair once again
她又染头发了。
time:4/28/2010 11:54:52 PM

She gave him a box on his ears.
她打了他一耳光。
time:4/28/2010 11:56:44 PM

She is a bit beside herself
她有点忘乎所以了。
time:4/29/2010 12:01:18 AM

She is a real find
（我们）可找到她这么一个能干的人！
time:4/28/2010 11:52:15 PM

She is just one track-minded, not to be harmful.
她只是一根筋，但并无恶意。
time:4/28/2010 11:52:14 PM

She is old but still able.
她虽老但仍然很能干。
time:4/28/2010 11:56:47 PM

She is particularly keen on nurturing the flowers
她对养花特别着迷。
time:4/29/2010 12:03:18 AM

She is really the salt of the earth
她没有一点坏心眼。
time:4/28/2010 11:58:16 PM

She is soundly asleep
她睡得很香
time:4/29/2010 12:01:45 AM

She is under the weather.
她心情不好！
time:4/28/2010 11:52:15 PM

She looks blue today.
她今天很忧郁！
time:4/28/2010 11:52:12 PM

She ran her stockings
她的丝袜破了。
time:4/29/2010 12:01:40 AM

She received one month's salary in advance
她预支了一个月的工资。
time:4/29/2010 12:00:59 AM

She said almost nothing.
她几乎什么都没说。
time:4/28/2010 11:53:25 PM

She soon becomes the centre of attention
她很快成为大家注意的焦点
time:4/29/2010 12:02:54 AM

She threw the coffee dregs into the sink
她把咖啡渣子倒进水池里。
time:4/29/2010 12:00:27 AM

She tried to avoid answering my questions
她试图回避我的问题
time:4/29/2010 12:02:54 AM

She walked back and forth on the path
她在小路上来回走着。
time:4/29/2010 12:03:15 AM