Upper extremity
[医] 上肢
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
extremity
[iks'tremiti]
n. 端点;尽头;手和足;极窘迫的境地;
🗣️ 情景例句
just half a mile down the road from the Watermill.
从Watermill往下走只要半英哩。
When one is about to act, one must reason first.
凡事要先思而后行。
it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地壳的基本模壳，