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
May I take your order?
可以点菜了吗？
We've got to get a refrigerator for the kitchen.
我们必须有一个电冰箱放在厨房。
It is six o'clock.In the evening, the children usually do their homework, but this evening, they are not doing their homework.
现在是6点钟。晚上，孩子们通常是做作业，而今天晚上，他们没做企业。