Tear sac
[医] 泪囊
🧩 词语组成解析
tear
[tɛr]
v. 撕裂;拉掉;挣开;拉伤;
n. 破洞;裂口;
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
Very wise.
非常明智。
I asked him to fix it for me, but he wouldn't.
我请他帮我修理，但是他不肯。
What's the deadline?
截止到什么时候？