Upper retina
[医] 上半[部]视网膜
🧩 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;
n. 视网膜\\n[医] 视网膜
🗣️ 情景例句
and the problem is that it's set up primarily for kids to play.
而问题是它主要是让孩子们去玩的。
Various rumors about him are going around.
到底流传着关于他的种种流言蜚语。
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室，但从那以后没人看见过她。