Columnization
[医] 棉塞支托法(对子宫脱垂)
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
We are happy to be of help.
我们十分乐意帮助。
When did you come to China?
你什么时候来到中国？