Collum tali
[医] 距骨颈
🧩 词语组成解析
颈； 颈状组织
n. 斜面, 斜度
🗣️ 情景例句
What time do your classes start?
你的课什么时候开始？
I'd like to ask you just one question.
恕我请教你一个问题。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，