cap line

例句：

1. 1.The ship's captain used a cap line to secure the anchor.
   船长用一根吊索把锚固定住。
2. 2.The climber used a cap line to rappel down the cliff.
   攀岩者用一根吊索从悬崖上安全地滑下来。
3. 3.The fisherman used a cap line to catch the big fish.
   渔夫用一根吊索钓到了一条大鱼。