Melantine
三聚氰酰胺树脂
🗣️ 情景例句
Why not?
为什么不能？
Are you going to America soon?
你就要去美国了吗？
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。