Pyrazolone
吡唑啉酮
🗣️ 情景例句
It's a real problem, Robbie.
这确实是个问题 Robbie。
I'm looking for a half-time job.
我在找半工半读的工作。
Even when it was raining heavily, he refused to carry an umbrella.
即使大雨倾盆，他也总是拒绝带伞。