Carpometacarpus
n. (鳥翅膀上的)腕掌骨
??? 情景例句
I like to study in the library because it's so quiet.
我喜歡在圖書館學(xué)習(xí)因為那兒很安靜。
How long will it take you to make it?
你要多久才能做好它？
How about that?
怎么樣？