Trinitride
叠氮(化合)物
🗣️ 情景例句
By doing that, it will encourage reading.
这样做能鼓励阅读。
What did he say in the letter?
他在信里说什么了？
Yes, I'll do that.I'm sorry about that.
是，我重打。对此我感到很抱歉。