a hinge with two long straps; one strap is fastened to the surface of a moving part (e.g., a door or lid) and the other is fastened to the adjacent stationary frame
joint hinge的用法和样例:
例句
The two bones are articulated like a hinge. 这两块骨头由关节铰链般连接起来。
Remove hinge retaining nuts from studs. 从双头螺栓拆下固定铰链的螺帽。