semicircle
noun /ˈsemisɜːkl/
/ˈsemisɜːrkl/, /ˈsemaɪsɜːrkl/
- enlarge image(geometry
) one half of a circle几何 半圆 Topics Colours and Shapesc2 - a thing, or a group of people or things, like a semicircle in shape
半圆形 - a semicircle of chairs
摆成半圆形的椅子 - We sat in a semicircle round the fire.
我们坐在炉火前,围成一个半圆形。
- a semicircle of chairs
词源early 16th cent.: from Latin semicirculus (see semi-, circle).