Libration
n. 摆动, 天平动
🗣️ 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣，除非一天其中一根火柴不幸燃烧起来。
He's a composer of church hymns.I like his music a lot.
他是宗教诗歌作曲家，我很喜欢他的音乐。
What shall we do then?
那么我们干啥？