Biface
n. (旧石器时代的)两面器(即两面加工的一种石块, 为手斧的雏型)
🏥 医学释义
双界面
🗣️ 情景例句
There was no way he could solve the problem.
他根本解决不了这个问题。
How long will it take for a telegram to get to California?
你把电报传到加州要多长时间？
It was your turn to wash them yesterday.
昨天轮到你把它们洗干净。