Undersurfaces
(undersurface 的复数) n.下面, 底面\\na. 水面下的
🗣️ 情景例句
Don't mention it. What would you like to drink?
别客气，想喝点什么？
What's your brother planning to do tomorrow?
你的兄弟计划明天做什么？
He made the first telephone.
他发明了第一部电话。