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
He'll do anything to avoid getting down to math lessons,
他老是设法想逃避数学，
On New Year's Eve, people usually cook lots of good dishes.
在大年夜，人们常常做很多好吃的。
What about vegetables?
蔬菜呢？