Definition: to disappear suddenly Level: B2
太阳消失在云层后面。
The sun ___vanished behind the clouds.
那个女孩在放学回家的路上消失了。
The girl ___vanished while on her way home from school.
我们冲出商店，但小偷已经消失得无影无踪。
We rushed out of the store, but the thief had ___vanished into thin air.
