disappear /disəˈpiə/ vi.不见，消失(［反］appear): The dog disappeared into the night. 狗消失在夜色中。I watched him until he disappeared from sight in the distance.我望着他,直到他在远处消失为止。

disappearance n.不见，消失

［辨析］disappear指具体、有形的事物突然或逐渐地“不见”，强调“看不见了”或“不再存在了”。如：The high building disappeared in the fog. vanish指“突然间化为乌有”，常指非常彻底的， 且往往是以某种神秘的方式消失而不再复现。