Decidual umbilicus
[医] 蜕膜脐
🧩 词语组成解析
[医] 蜕膜的
n. 脐, 中心\\n[医] 脐
🗣️ 情景例句
Never say die.
永不气馁！
Air China has a flight leaving at 9:25.
中国航空公司有一班飞机，9点28分起飞。
A lot of people can't tell the difference between an American accent and a Canadian accent.
许多人分不出美国口音和加拿大口音的差别。