Acetophenanthrene
[化] 乙酰菲
🗣️ 情景例句
What kind of advice are you looking for?
希望能得到什么建议？
Much water runs by the mill that the miller knows not of.
当前发生诸种事，大多为人所不知。
I know! It's behind the door!
我知道了，是在门后。