Cavum medullare ossium
[医] 骨髓腔
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
Yes.
是的。
I'd met Stone several times before.
以前我见过世通几次。
The men of our family waded down through our flooded meadows with boathooks, in the hope of being able to grapple a corner of the raft and pull it out of the current towards our bank.
我家的男人们手拿船篙过被水淹没草场，希望能够钩住筏子一角，将它拽出激流，拖回岸边。