🧩 词语组成解析
[计] 大的
a. 腹膜的\\n[医] 腹膜的
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
Who's buying the drinks?
谁来买酒？
It was a real pleasure for me to do it.
我很乐意这样做。
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。