The hemispheres of the brain have separate and distinct functions.大脑的两半球有着各自不同的功能。
This animal is to be found only in the Southern Hemisphere.这种动物只有在南半球才能找到。
His knowledge is just in the hemisphere of geology.他的知识仅限于地质学领域。

［词源］＜拉丁语hemisphaerium(半球)