a constellation in the southern hemisphere between Vela and Canis Major that shaped like the stern of a boat
双语例句
The complex nebula is thought to be a supernova remnant over a million years old, sprawling across the southern constellations Vela and Puppis. 这个形状复杂的星云区域分布在南天的船帆座和船尾座之间，它被认为是一个超新星残骸已经有一百万年龄。
