You just don't consider anyone but yourself.

你除了自己外从不为别人考虑。

It looks as if she's gone away for a few days.

好象她要外出好几天了。

After the War of Independence ended, New York became the capital of the USA for a short time (1789-90) before Washington, D.C.

独立战争结束以后，在华盛顿成为首都之前，纽约市曾经一度是美国的首都，不过时间很短（1789-90）。

He discovered that there was a group in the east of the country that shared the same family name - Kinte.

他发现在该国的东部有一个家族都姓肯特。

They then knew that they had discovered the cause of the fire.

这时调查人员知道他们找到了发生火灾的原因了。

While the men had been working inside the ship, the air-line had been giving off oxygen.

当工人们的在船舱里干活时，供气管一直在排放氧气。