Trinitride
叠氮(化合)物
🗣️ 情景例句
By all means, you ahead.
当然可以。随便。
Recently, I have learned a lot of new things about myself.
最近，我学到了许多自己以前不明白的事理。
Excuse me. Where's the toilet, please?
请问洗手间在哪？