Pyrazolone
吡唑啉酮
🗣️ 情景例句
I have a ticket, I know.
我知道我有车票。
Take care of the pence and the pound will take care of themselves.
金钱积少便成多。
After he had put it on the floor, he promptly went to sleep again.
他把床垫往地板上一放，很快又睡着了。