Microlithic
a. 细石器的
🗣️ 情景例句
May I make a suggestion?
我可以提个建议吗？
This round table weighs about forty-five pounds.
这张圆桌子重大约45磅。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。