fishbone dust

例句：

1. 1. The old boat was covered in fishbone dust.
   那艘旧船被鱼骨灰尘覆盖着。
2. 2. The fisherman had to clean his nets with fishbone dust.
   渔夫不得不用鱼骨灰尘来清洗他的网。
3. 3. After the storm, the beach was littered with fishbone dust.
   暴风雨过后，海滩上到处都是鱼骨灰尘。