Selenophysics
月球物理学
🗣️ 情景例句
Those were great days and we were very happy.
那些日子美好极了，我们过得很幸福。
The population of Africa is growing by leaps and bounds.
非洲的人口正在极其迅速地增长。
Do you remember the first time we met?
你还记得我们第一次见面的情况吗？