A leather loop that slides to change the tension on the cord of a drum.
滑动皮环通过滑动以改变鼓弦张力的皮环
The dancer could kick over a cord four feet from the ground.
这位舞蹈家能把脚举到离地4英尺的绳索上面。
Material, such as cord or thread, used to lash or bind parts.
用来抽打的绳索用于鞭笞或捆缚部件的材料，如线或绳
