Amnionic vesicle
[医] 羊膜囊
🧩 词语组成解析
a. [动][解]羊膜的,有羊膜的
n. 囊, 泡, 水疱\\n[化] 小穴
🗣️ 情景例句
What have you learned from jobs you have held?
你从以往的工作中学到什么？
Don't worry he wiil bring something.
不要担心他会带来什么。
Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.
因为蛇有毒液不是用来对付人的，而是对付它的猎物，诸如鼠类，毒液对这些猎物会立刻起作用。