semicircle
复数形式
semicircles
1
半圆, 半圆形
any half of a circle
- The children sat in a semicircle around the teacher during story time.
在故事时间，孩子们围着老师坐成一个半圆。
- The architects designed the auditorium with a semicircle of seats for better acoustics.
建筑师设计了带有半圆形座位的礼堂以获得更好的音响效果。
- He drew a semicircle on the board to explain the concept of angles.
他在黑板上画了一个半圆来解释角度的概念。
- The moon appeared as a bright semicircle in the night sky.
月亮在夜空中呈现为一个明亮的半圆。
- The audience formed a semicircle around the street performer.
观众在街头艺人周围形成了一个半圆。
同义词：