铰链，折叶一种用于连接或转动的装置，使门或盖在固定框架上可借以摆动 A jointed or flexible device that allows the turning or pivoting of a part, such as a door or lid, on a stationary frame.
眼睛突出的或眼睛转动的 Having prominent or rolling eyes.
转动，旋转转动的动作或被转动的状况；转动或旋转 The act of turning or the condition of being turned; rotation or revolution.
曲柄一个传递转动的部件，包括一个手柄或把手与一个轴直角相连 A device for transmitting rotary motion, consisting of a handle or arm attached at right angles to a shaft.
