Formamidine
甲脒
🗣️ 情景例句
We finished addressing over three hundred envelopes.
我们写了三百多个信封地址了。
I must be the first.
我一定要得第一。
He was obviously very nervous and for some minutes stood awkwardly before the microphone.
他显然非常紧张，局促不安地在麦克风前站了好几分钟。