Amniotic sheath
[医] 羊膜鞘(脐带的)
🧩 词语组成解析
a. 羊膜的\\n[医] 羊膜的
sheath
[ʃi:θ]
n. 护套;鞘;叶鞘;紧身装;
v. 包，盖;
🗣️ 情景例句
You've earned it.
这是你应得的报偿。
A thousand words will not leave so deep an impression as one deed.
千言万语不如一个行动。
Could you do me a big favor?
能否请你帮我个忙？