Spheroid joint
球窝关节，杵臼关节
🧩 词语组成解析
n. 球状体, 回转椭球体\\n[医] 球形的, 球状的; 球形体, 球状体
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
I could tell something was up by the look on their faces.
我一看他们的脸色就知道有事。
Never offer to teach fish to swim.
切莫教鱼游泳。
My knee hurts, my foot hurts and my head too.
我的膝盖伤了，脚伤了，还有头。