Joints rotary
[医] 旋转关节, 车轴关节
🧩 词语组成解析
n. 关节；连接, 接头；运动付（joint的复数形式）
🗣️ 情景例句
The best man always keeps the rings.
男傧相总是保管戒指的。
I will be gettinf married next week.
我将在下周结婚。
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义，我们应先回顾一下人类最近的几项发明。