drag anchor

例句：

1. 1.The boat was dragged anchor by the strong current.
   小船被强劲的水流拖住了。
2. 2. The ship's anchor was dragged anchor by a storm.
   船只的锚被暴风雨拖住了。
3. 3. The anchor was dragged anchor to keep the boat from drifting.
   为了不让船漂移，锚被拖住了。