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
You're a real friend!
你是个真正的朋友！
It's scheduled to arrive at 11:50.
按照列车时刻表是11点50分到。
but when she got out at her own floor, both were forgotten in her sudden discovery that her front door was open.
但她到自己的楼层走出电梯后，就把这两件事忘了个干净，因为她突然发现她家的大门开着。