Methacholine
[化] 醋甲胆碱\\n[医] 乙酰甲胆硷
🗣️ 情景例句
It's not what I hoped for.
我期待的可不是这样的。
It's very nice of you to come and see me off.
您来给我送行，真是太客气了。
I've been here before.
我以前来过这里。