Dmf
[化] 二甲基甲酰胺
🗣️ 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
I've got news for you.
我要告诉你一个好消息。
I'm glad to hear that.
真是好消息，