| 释义 |
semi·circleBrE /ˈsemisɜːkl/ NAmE /ˈsemisɜːrkl/ noun (geometry几何) one half of a circle 半圆the line that forms the edge of a semicircle 半圆弧线a thing , or a group of people or things , shaped like a semicircle 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。▸ semi·cir·cu·larBrE /ˌsemiˈsɜːkjələ(r)/ NAmE /ˌsemiˈsɜːrkjələr/ adjective ◆ a semicircular driveway 半圆形车道 |