sand anchor

例句：

1. 1.The ship was anchored in the harbor for repairs.
   这艘船在港口里停泊进行修理。
2. 2. The boat was anchored by a large boulder.
   那艘船被一块大石头锚住了。
3. 3.The anchor was set to prevent the vessel from drifting.
   锚被设置好以防止船只漂移。