Microlithic
a. 细石器的
🗣️ 情景例句
What's the matter?
有什么事？
No good building without a good foundation.
基础不好，建筑不牢。
It's Jim. He's in that tree. He can't get down. Can you help him?
是吉姆，他在树上，下不来了，你能帮他吗？