Theca vertebralis
[医] 硬脊膜
🧩 词语组成解析
n. 囊, 膜, 鞘\\n[医] 膜, 鞘
🗣️ 情景例句
Donald passed away a couple of years ago.
Donald几年前去世了。
I have to hang up now.
我得挂电话了。
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。