Spherical joint
[化] 球形接头
🧩 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
Grandpa really loves his family, doesn't he?
爷爷确实很爱这个家， 是吗？
To step on
踩到
The firm closed down because there wasn't enough demand for its product.
工厂关门了，因为产品供过于求。