Triethylcholine
[医] 三乙胆硷
🗣️ 情景例句
I'm having a wonderful time.
我过得很愉快。
What are you doing?
你正在做什么？
He was on his way to a lecture, when a tourist stopped him and asked him for directions.
他走在去听课的路上，此时一位游客拦住他问路。