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...
There is worldwide concern about the destruction of the rainforests.全世界都在关注热带雨林遭到破坏的问题。Tropical rainforests have the most varied assemblage of plants in the world.热带雨林集聚了世界上种类最繁多的植物。the destruction of the rainforests对热带雨...