Knee joint
n. 膝关节，弯头结合，肘接
🧩 词语组成解析
knee
[ni]
n. 膝;膝盖;
vt. 用膝盖碰;
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
However, through my experience in business at home and abroad.
但从事国内外的商业的经历中。
Who are you?
你是谁？
Not all sounds made by animals serve as language.
动物发出的声音不都是用作语言交际。