Cotylic joint
[医] 杵臼关节, 球窝关节
🧩 词语组成解析
joint
[dʒɔint]
adj. 共同的，联合的;共享的;两院的;连带的，共同的;
n. [解]关节;接合处;下流场所;一块烤肉（英式英语）;
vt. 结合，联合;为…装上接头，使…有接缝;
🗣️ 情景例句
It's completely beyond my grasp.
我完全摸不着头脑。
Why did the company demand his resignation?
为什么公司命令他辞职呢？
I'm thinking of hanging the lamp from the ceiling.
我打算把灯吊在天花板上。