Mesolithic
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
You can say he's more of a politician than a statesman.
你可以说他更像政客而不像政治家。
I think it's going to be too high.
我认为它将太高。
It can copy a long report and sort the copies and pin them together.
现它可以复印长篇的报告，把复印件分类，并装订起来。