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
Christmas is coming up. Zhao Ming, let me ask you a question.
圣诞节快到了，赵明，我问你个问题。
I don't allow my children to play with toy guns.
我不让自己的孩子玩玩具枪。
I felt very nervous when I went into his office.
我走进他的办公室，感到非常紧张。