Miolithic
n. 中石器时代(旧石器时代与新石器时代之间的时代)
🗣️ 情景例句
during the week--
在本 内
I left very early last night, but I wish I hadn't left so early.
我昨晚离开得非常早，但我希望我没有离开那么早。[大学英语六级]
What happened before printing was invented?
印刷术发明以前是怎么一回事？