vanishern.vanish的变形：vanish['væniʃ]vi.消失；突然不见：The mysterious woman passenger vanished.这位神秘的女乘客突然不见了。(尤指神秘地)离去；消散：Our hopes have vanished.我们的希望已烟消云散。消亡，消灭：Many kinds of animals have vanished from the earth.很多种动物已从地球上消灭。【数学】成为零vt.使消失，使不见n.【语音学】消失音，弱化音近义词:dis