Nitroamine
硝胺
🗣️ 情景例句
Sometimes, at night,
有时候， 在夜晚，
Diligence is the mohter of success.
勤奋是成功之母。
I'm very sorry, sir.You must get off the bus.None of our passengers can change this note.
非常抱歉，先生。您必须下车。我们的乘客中没人能换开这张钞票。