名词
中文翻译：环形表面
同义词：
['annular surface', 'ring-shaped surface']
例句：
-
1. The ring surfaceof the moon is very smooth.
月球的环形表面非常光滑。
-
2. The ring surface of the planet is covered in a thick layer of dust.
行星的环形表面覆盖着一层厚厚的尘埃。
-
3. The ring surface of the satellite is made up of many small rocks.
卫星的环形表面由许多小岩石组成。