Rabbittite
针钙镁铀矿
🗣️ 情景例句
I shouldn't have done that.
我不该那么做。
I invited him to come over, but he wouldn't.
我请他过来，但是他不肯。
when a significant number of people are living permanently in space.
如果有相当数量的人永久性地住在太空，