half-circle 半圆 ; 半周 ; 半圆形 ; 对角线半圆防守
half-circle skirt 半圆裙 ; 半圆台裙
half-circle protractor 半圆分度器 ; 半角宽度
in a half circle around 在一个半一圈 ; 在一个半圈 ; 在半圈
Half Circle 半园 ; 半周
W Half Circle Loop 街道地址
Half-Circle Mirror 半圆的镜子
half circle protractor 半圆分度器
Draw A Half Circle 画一个半圆
N one half of a circle 半圆
N half the circumference of a circle 半周
But, if it's like a circle or a half circle, or things like that, then even if a problem doesn't tell you to do it in polar coordinates you might want to seriously consider it.
但是如果它是一个圆或者半圆，或者是类似的，即使题目没有提示你在极坐标里做，你也应该认真考虑一下。
When Jack's little master rotary switch, Jack remembered the password: it three times to the left, turn right half circle.
当杰克的小主人转动开关时，杰克记住了暗码：向左转三圈，再向右转一圈半。
Each half-circle is offset by computed x and y coordinates in order to ensure that they are concentric.
根据算出的 x 和 y 坐标，各半圆将偏移以保证同心。
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