Pannic acid
[化] 绵马酸
🧩 词语组成解析
🗣️ 情景例句
Yeah, I know. The biggest.
是的， 我知道。最大的。
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。
What else is there to do?
还有什么事好干？