Her disappearance has never been satisfactorily explained.(她的失踪一直没有得到令人信服的解释。)
Police are investigating the disappearance of key files on the killers.(警方正在调查杀人凶手关键档案丢失一事。)
No one noticed his disappearance.(没人注意到他失踪了。)
A young mother has flown to Iceland to unravel the mystery of her husband's disappearance.(一个年轻母亲已飞到冰岛，去揭开她丈夫失踪之谜。)
Since the disappearance of sea urchins from the waters up the coast of South Florida, many coral reefs there have been smothered by the uncontrolled growth of algae.(自从海胆从南佛罗里达海岸的海水中消失后，那里有许多珊瑚礁被不受控制生长的藻类所扼杀。)
Therefore, it is probably the increased flow caused by suburban development that is responsible for the dusky salamander's virtual disappearance from New York State.(因此，可能是郊区发展引起的流量增加导致了纽约州灰黄蝾螈的消失。)
The disappearance of dinosaurs is not necessarily caused by astronomical incidents.(恐龙的消失并不一定是由天文事件引起的。)
And perhaps a disappearance.(很可能是一桩失踪案。)
He explains that the disappearance of one animal can have serious consequence to remaining species in that habitat.(他解释说，一种动物的消失可能会对该栖息地的其他物种造成严重的后果。)
Her disappearance has baffled police.(她的失踪令警方大为困惑。)
