Prolongations
(prolongation 的复数) n. 延伸, 延长, 延长部分\\n[医] 伸长, 延长
🗣️ 情景例句
No problem. we all make mistakes.
没问题。 人人都有犯错的时候。
He seems very serious, but in fact he has a delightful sense of humor.
他看上去很严肃，其实很诙谐。
Mary has written ten letters today.
马力今天写了十封信。