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
She took a medical course.
她选读医学课程。
Thanks a lot. Here.
多谢。这是车费。
But George's parrot, Henry, was still there.
但时乔治的鹦鹉亨利仍在那里。