Mucosal
[医] 粘膜的
🗣️ 情景例句
I think so. Yes. They get along so well.
我也觉得是这样。是的 ，他们相处得很好。
I'm not good enough.
我还不够好。
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。