Allantoic diverticulum
[医] 尿囊憩室(胎生期)
🧩 词语组成解析
a. [动]尿囊的,尿囊内的,有尿囊的
[医] 憩室, 膨部, 支囊
🗣️ 情景例句
Macro adjustment is needed in a market economy.
市场经济需要宠观调控。
One cannot make bricks without straw.
巧妇难为无米之炊。
It suddenly dawned on me that this express was not roaring down the line at ninety miles an hour, but barely chugging along at thirty.
我突然感到这趟快车并没以时速90英里的速度呼啸前进，而是卟哧卟哧地向前爬行，时速仅30英里。