Allantoic sac
[医] 尿膜囊
🧩 词语组成解析
a. [动]尿囊的,尿囊内的,有尿囊的
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
One o'clock.
一点钟。
One scabbed sheep will mar a whole flock.
一羊生癣，群羊受害。
A recent survey of the effects of noise revealed (surprisingly?) that dogs barking incessantly in the night rated the highest form of noise pollution on a scale ranging from 1 to 7.
最近一个有关噪音的作用的调查（令人吃惊地）指出，夜间连续不断的狗叫声，在一个从1级至7级刻度表上应列为最严重的噪间污染。