moon's disc

例句：

1. 1. The astronauts observed the moon's disc from their spacecraft.
   宇航员们从他们的太空船观察了月亮的圆盘。
2. 2.The moon's disc is a fascinating object for astronomers to study.
   月亮的圆盘是天文学家研究的一个令人着迷的对象。
3. 3. During the full moon, the moon's disc appears larger and more round than usual.
   满月时，月亮的圆盘看起来比平常更大更圆。