Hexammine
[化] 六氨合物
🗣️ 情景例句
If you go camping, at night you'll hear all the nocturnal animals.
如果你去野营，晚上可以听到动物的夜歌。
I took out my toys.
我拿出了我的玩具。
No, I think it is going to be mailed to your local branch.
不，寄到分社。