Canalis vertebralis
椎管，脊椎管
🧩 词语组成解析
(pl. -les)[拉]沟, 管, 道
🗣️ 情景例句
We have to work hard to get people interested in politics.
我们必须努力使人们对政治感兴趣。
Great boast, small roast.
说得天花乱坠，成事微乎其微。
Are there any flowers in the picture?
画里面有花吗？