shallow shoal

例句：

1. 1.The boat was caught in a shallow shoal.
   船被浅滩卡住了。
2. 2.The fishermen were searching for the shallow shoal.
   渔民们在寻找浅滩。
3. 3.The ship was forced to turn back due to the shallow shoal.
   由于浅滩，船只被迫返回。