vanish

1. V-I If someone or something vanishes, they disappear suddenly or in a way that cannot be explained. 突然消失; 神秘失蹤

He just vanished and was never seen again. 他就這么突然消失了，再也沒有人見到過他。

Anne vanished from outside her home last Wednesday. 上周三安妮在自己家門外神秘失蹤了。

2. V-I If something such as a species of animal or a tradition vanishes, it stops existing. 消亡

Many of these species have vanished or are facing extinction. 這些物種中的許多已經消亡或是正瀕臨滅絕。