Amniotic sac
[医] 羊膜囊, 羊膜
🧩 词语组成解析
a. 羊膜的\\n[医] 羊膜的
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
I would like to make an appointment for tomorrow morning please.
我想预约明天早上见面。
Harry fears the worst.
哈里害怕最恶劣的事态。
What day was it yesterday?
昨天是星期几？