hemisphere

/ˈhɛmɪsˌfɪr/

half of the terrestrial globe

中文释义：半球

The Northern Hemisphere experiences winter when the Southern Hemisphere has summer.

北半球经历冬季时，南半球正值夏季。

Many migratory birds travel from the northern to the southern hemisphere each year.

许多候鸟每年从北半球迁徙到南半球。