Malononitrile
丙二腈
🗣️ 情景例句
Dreadful weather, don't you think?
天气可真差劲，你说呢？
Would you care to take a seat while I make out a receipt?
请坐一会儿好吗？我给您开个收据。
I'm A Twin
我是一个孪生儿