Librating
vt. 摆动；平均
🗣️ 情景例句
There are many natural catastroophes occurring in nature.
自然界里有很多自然灾害发生。
I wrote 9 books.
我写了九本书。
A little. I go to Chinese classes every week.
一点点，我每周去汉语班上课。