Hemicholine
密胆碱
🗣️ 情景例句
An oil tanker ran aground and lost about 15,000 gallons of gas into the sea.
一般油轮搁浅，把 15000 加仑油倾泻在海里了。
Ignorance of the law excuses no man.
对法律不知不能免罪。
Did you buy one, sir?
你买了票吗，先生？