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
You should take the number 1 subway.
应当搭一路地铁。
Joy put heart into a man.
人逢喜事精神爽。
As she is not rich, the chances that she will ever be able to afford such purchases are remote;
由于她并不富裕，她买得起这些服装的可能性十分渺茫。