So why hasn't it disappeared?

所以它为什么没有消失呢？

youdao

As it disappeared under our bows I held my breath.

当它消失在船头底下的时候，我屏住了呼吸。

youdao

It rose higher and higher into the azure, till it disappeared at last behind the mountain-peak.

它越升越高，最后消失在山峰后面。

youdao

Slowly,Norman French was used less and less until it disappeared.

VOA: special.2011.01.12

And, if you skip over to 215, this image comes back of this mother: "All cars had disappeared except his station wagon. His pregnant young wife was now getting into it with her baby and the other more or less canceled child."

还有，如果你翻到215页，这个妈妈的形象会再次出现：,“所有的车都不见了，只剩下他的小汽车，他,他怀孕的妻子正抱着婴儿上车，那个惹是生非的小男孩,也上去了“

耶鲁公开课 - 1945年后的美国小说课程节选

The Russian empire is one of those empires that continued, arguably-- not arguably, it was the case-- after the four empires disappeared with World War I.

俄帝国可以说是,那些得以延续的帝国之一,这的确是事实,毕竟此前的四大帝国在一战中相继陨落

耶鲁公开课 - 欧洲文明课程节选

The MCA said it received no communication from the crew of the crabber before it disappeared.

BBC: The Purbeck Isle

When it disappeared he realized his sense of smell had disappeared, too, a relatively uncommon effect.

WSJ: How to Sharpen Your Sense of Smell

The study of Turkish was so weakened that, in effect, it disappeared, and Persian nearly followed.

ECONOMIST: Letters | The