Dihydrazone
[机] 二腓
🗣️ 情景例句
I really want to go back to work,
我真的想回去工作，
I'm glad to hear about your graduation.
我很高兴听到你毕业的消息。
Later a neighbour told me about him.
后来，一位邻居告诉了我他的情况。