spherical colony

例句：

1. 1. The planet Mercury isknown for its spherical shape.
   水星因其球形而闻名。
2. 2. Thesphere of influence ofa planet is the region itcan affect.
   行星的势力范围是它能够影响的区域。
3. 3. The sphere ofinfluence of a planet is the region itcan affect.
   行星的势力范围是它能够影响的区域。