Conjunctival sac
[医] 结膜囊
🧩 词语组成解析
[医] 结膜的
sac
[sæk]
n. （动植物组织中的）囊，液囊;
abbr. 缩写 = (US) Strategic Air Command 战略空军司令部。;
🗣️ 情景例句
It'll all be over in two hours.
再两个小时就结束了。
Every medal has its reverse.
事物都有它的反面。
Hello, Jim! Did you have a good time at the cinema?
你好，吉姆！你在电影院过得很开心吧？