A small icy Solar System body that forms a coma and tail when near the Sun.

一种太阳系小天体，近日时会形成彗发和尾巴。

A bright celestial event resembling a comet, often a meteor.

外观类似彗星的天象，常指明亮流星。

Any of several long-tailed Andean hummingbirds, especially genus Sappho.

安第斯山脉的长尾蜂鸟若干种，尤指 Sappho 属。