“球形的”造句

球形的和规则的球晶形成相对来说很稀少.
Both spherical and regular crystalline forms are relatively rare.

地球不是球形的并有一倾斜的转轴.
The earth is nonspherical and has a tilted axis.

地球是由于重力而成为球形的.
The earth is round because of gravity.