Phenanthridone
[化] 菲啶酮
🗣️ 情景例句
Three scoops?
三杓？
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
Today he is making a machine.
今天他在造一个机器。