Trinitride
叠氮(化合)物
🗣️ 情景例句
Good night, Grandpa.
晚安， 爷爷。
My son wants to be a policeman when he grows up.
当他长大时，我的儿子想要成为一个警察。
I have a cat. Its name is Mimi. It's a Chinese cat. Oh, where is it? Can you find it?
我有一只小猫，名字叫Mimi，是一只中国猫。噢，它在哪儿呢？你能找到吗？