Dural sheath
[医] 硬膜鞘
🧩 词语组成解析
a. 硬脑膜的\\n[医] 硬脑[脊]膜的
sheath
[ʃi:θ]
n. 护套;鞘;叶鞘;紧身装;
v. 包，盖;
🗣️ 情景例句
and tell him you're coming?
告诉他你要去吗？
He who hesitates is lost.
举棋不定，坐失良机。
But even when such refinements are not available, there is plenty to keep you occupied.
即使没有这些消遣条件，也总是有事可做。