英汉词典

1. 消失;失踪;突然不见
    If someone or something vanishes, they disappear suddenly or in a way that cannot be explained.

    e.g. He just vanished and was never seen again...
           他就这么消失了，再也没人见到过他。
    e.g. The aircraft vanished without trace...
           飞机消失得无影无踪。

2. (物种）灭绝;（传统）消亡
    If something such as a species of animal or a tradition vanishes, it stops existing.

    e.g. Near the end of Devonian times, thirty percent of all animal life vanished...
           在泥盆纪末期，30％的动物物种都灭绝了。
    e.g. ...all the species of birds that had vanished from Iowa.
           艾奥瓦州所有消失了的鸟类物种