Hexabiscarbacholine
己氨胆碱
🗣️ 情景例句
He did it as a special favor.
他做这事算是特别照顾。
What can I do for you?
我能为您做些什么？
I doubt if he'll be asked to speak again next year.
我怀疑明年是否还会邀请他作报告。