Abdominal sac
[医] 腹囊(胎儿)
🧩 词语组成解析
abdominal
[æb'dɑmənl]
adj. 腹部的;[鱼]有腹鳍的;
n. 腹肌（常用作复数）;
abdomin 腹部+ al 表示属于...的、具有...性质的→ adj. 腹部的；有腹鳍的
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
Unless in uniform, he doesn't look like a policeman.
除非穿上制服，要不他看起来不像警察。
But Li Ming has promised to come home for the summer vacations.
但是李明已经答应暑假回家。
Some people think that the weather is unpleasant, the city ugly and dirty, the competition fierce and the streets unsafe.
有些人认为，这儿的气候不佳，市容丑陋肮脏，竞争激烈，街上不安全。