Chorionic sac
[医] 绒毛膜囊
🧩 词语组成解析
[医] 绒[毛]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
because we have a little surprise for you today.
因为今天我们要给各位一项惊喜。
Wisdom is more to be envied than riches.
才智比财富，令人更可羡。
Three million people watched as the ashes of this great man were gently poured into the brown waters of the river that would carry them to the ocean.
还有300万人守望着这位伟人的骨灰缓缓撒入褐以的恒河，河水把他的骨灰送向大海。