apus

• 指南天极附近、紧邻南极座的一个星座（天燕座），也指雨燕科下的一类生物分类属。

A proper noun referring to a constellation in the southern polar region near Octans, or the type genus of a biological group.

不可数 · 专有名词

1. C2formalscientific

   A constellation in the polar region of the southern hemisphere, located near Octans.

   天燕座

   • Apus is visible only from latitudes south of the equator.
   • The constellation Apus represents a bird of paradise.
   • Astronomers study Apus to understand southern sky patterns.

2. C2formalscientific

   The type genus of the family Apodidae, which includes swifts.

   雨燕属

   • Apus is the genus that contains the common swift.
   • The classification of Apus has been revised by ornithologists.
   • Species within Apus are known for their fast flight.