semicircle的复数形式怎么写

n.半圆形，半圆形的周长，半圆形的东西...

The village was formed of semicircle huts.这个村庄是由半圆形的茅舍组成的.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。a semicircle of chairs摆成半圆形的椅子We sat in a semicircle facing the teacher.我们面对着老师...

a semicircle of chairs摆成半圆形的椅子The village was formed of semicircle huts.这个村庄是由半圆形的茅舍组成的.We sat in a semicircle facing the teacher.我们面对着老师坐成半圆形....

semicircle的音标：semicircle的英式发音音标为：['semisɜ:kl]semicircle的美式发音音标为：['semisɜrkl]...