vanish

v. 消失,不见了

Many types of animals have now vanished from the earth.

很多种类的动物现在已经从地球上绝迹了。

After the alien spacecraft had hovered over the park for a short time, it vanished.

那只外星来的宇宙飞船在公园上空盘旋了一会儿之后就不见了。