Pipecoline
2-甲基哌啶
🗣️ 情景例句
He needs to work.
他需要工作。
A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则，如果在一年内符合各种使用规定，就可更换。
I think all the changes are easy to see.
我想所有修改过的地方都很容易看出来吧