Trinitride
叠氮(化合)物
🗣️ 情景例句
Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍，世界各地的人都可以很自由地欣赏文学作品。
He plays with my friends every day.
他每天都和我的朋友玩。
We'll take that one.
我们就买那种。