semicircle的例句（semicircle在句子中的用法）

• We sat in a semicircle facing the teacher. 我们面对着老师坐成半圆形.
• The village was formed of semicircle huts. 这个村庄是由半圆形的茅舍组成的.
• a semicircle of chairs 摆成半圆形的椅子
• He indicated a semicircle with a radius of about thirty miles. 他标示出了一个半径大约为30英里的半圆形。