Clatraten
[机] 晶笼化合物
🗣️ 情景例句
What do you like to do during holiday?
在假日你喜欢做什么？
Have you invited any boys?
你邀请男孩吗？
Because the gravity on the Moon's surface is only a sixth of Earth's
由于月球表面的重力仅是地球表面的1/6-