Adventitial sheath
[医] 外膜鞘
🧩 词语组成解析
[医] 外膜的
sheath
[ʃi:θ]
n. 护套;鞘;叶鞘;紧身装;
v. 包，盖;
🗣️ 情景例句
They hardly ever see each other.
他们几乎彼此不碰头。
A word spoken is past recalling.
一言既出，驷马难追。
Finally, he demanded an end to the British rule over India and independence for his country.
最后，他要求结束英国对印度的统治，为他的祖国争取独立。