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
I want our children to learn
我要孩子们学习到
Everything has its seed.
无风不起浪。
It is only 380,000 kilometres away, and it has been visited by man already.
已经有人到过月球旅行了。