Serous sac
[医] 浆膜囊
🧩 词语组成解析
a. 如水的, 浆液的, 血清的\\n[医] 血清的; 浆液的
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
Millie, did you bring the tapes for dancing?
Millie，带来了跳舞的录音带吗？
I'll let you keep the book for the time being, but I'll want it back next week.
这本书我暂时借给你，吵过下星期我就要跟你要回来。
The doctor said he could do nothing to help him.
医生说他对此无能为力。