Mellon
[化] 三聚二氰亚胺
🗣️ 情景例句
555-2420. Thank you.
555 2420。谢谢你。
I know the boy whose father is a policeman.
我知道那个男孩的父亲是警察。
Competition between ourselves, person against person, community against community,
然而人类之间的竞争，人与人，团体与团体，