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
John isn't here today. That figures, he looked very sick yesterday.
约翰今天没有来，怪不得，他昨天就好像不太舒服。
It's a deal!
成交！
Luckily the weather was not so wet as it is today.
幸运的是，那天的天气不像今天这样有雨。