anchor catcher

例句：

1. 1.The boat was anchored securely in theharbor.
   这艘船安全地停泊在港口。
2. 2.The sailors used a chain to securethe ship's anchor.
   水手们用链条固定船的锚。
3. 3. The tether kept the sailboatfrom drifting too far intothe sea.
   绳索使帆船不至于漂得太远进入大海。