stockless anchor

例句：

1. 1.The boat was stockless and had to be tied up for the night.
   那艘船没有锚，得在夜里系上。
2. 2.The captain decided to use a stockless anchor to save time.
   船长决定使用一个无锚的锚来节省时间。
3. 3. The ship's crew had to work quickly to set up a stockless anchor before the storm hit.
   船员们必须迅速设置无锚锚，以免暴风雨来袭时无法航行。