Librations
(libration 的复数) n. 摆动, 天平动
🗣️ 情景例句
How's my grandson?
我的孙子怎样啦？
Please don't make a smell in the house with your cigar.
请不要在屋子里散布雪茄的气味吧。
It is the one world in the Solar System that is most like the Earth.
火星是太阳系里与地球最接近的一颗行星。