名词
中文翻译：Unknown
同义词：
['quarter circle', 'half circle例句：1. The sun sets behind the semicircle of trees.（太阳在半圆的树后面落下。）2. The artist painted a beautiful semicircle on the wall.（艺术家在墙上画了一个美丽的半圆。）']
例句：
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1. The sun sets behind the semicircle of trees.
太阳在半圆的树后面落下。
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2. The artist painted a beautiful semicircle on the wall.
艺术家在墙上画了一个美丽的半圆。
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3. The child drew a big semicircle on the paper.
孩子在纸上画了一个大半圆。