Libration
n. 摆动, 天平动
🗣️ 情景例句
We have a very important meeting on at the moment.
现在我们正在开一个非常重要的会。
He who makes no mistakes, makes nothing.
不犯错，将一事无成。
What about some sugar?Two teaspoonfuls?
加些糖怎么样？两茶匙行吗？