Pleural sac
[医] 胸膜腔
🧩 词语组成解析
a. 胸膜的, 肋膜的\\n[医] 胸膜的
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
You don't recognize me, do you?
你不认识我了， 是吗？
I like collecting stamps.
我喜欢收集邮票。
for the simple reason that I was left with several curiously shaped bits of metal which did not seem to fit anywhere.
原因很简单，因为还剩下几个形状奇特的零件似乎哪里也装不上去。