anchor shackle

例句：

1. 1.The ship was anchored in the harbor.
   这艘船停泊在港口。
2. 2. The boat was securely fastened to the dock.
   小船被安全地固定在码头上。
3. 3. The anchor was a crucial part of the ship's design.
   锚是船设计中至关重要的一部分。