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
Okay, I know just what you mean.
嗯，我明白你的意思。
What''s the cause of the delay?
什么原因延误？
at eighty can knock us out, and into our grave.
能到了80岁可能会使我们一蹶不振而进入坟墓。