hemisphere
🇺🇸
/ˈhemɪsfɪr/
🇬🇧
/ˈhemɪsfɪə(r)/
Half of the Earth, either north or south of the equator
The northern hemisphere has summer when the southern hemisphere has winter.
当南半球是冬天时,北半球是夏天。
Either half of the brain
Each hemisphere of the brain controls different functions.
大脑的每个半球控制不同的功能。
Half of a round ball shape
A hemisphere is formed when you cut a sphere exactly in half.
当你将一个球体精确地切成两半时,就形成了一个半球。