Phenanthridone
[化] 菲啶酮
🗣️ 情景例句
To teach a fish how to swim.
孔子面前读诗书，班门弄斧。
I would like to talk to your chief.
我想请你们主管讲话。
I'm afraid it's the cheapest one we've got.
恐怕这一套算是我们这里最便宜的了。