Diazene
二氮烯
🗣️ 情景例句
I am sorry. I am not free right now.
对不起，我现在很忙。
A true friend is known in the day of adversity.
疾风知劲草，患难知友情。
Hi! You guys keep talking so loudly that I have to speak at the top my voice!
哎！你们一直这样大声讲话，我都不得不扯着嗓子说话了。