shallow earthquake

例句：

1. 1. The shallow water is not suitable for swimming.
   浅水不适合游泳。
2. 2. His shallow understanding of the subject matter made him unable to solve the problem.
   他对这个问题的理解太浅，无法解决问题。
3. 3. The shallow pool was quickly filled with water from the nearby river.
   这个浅池很快被附近的河水填满了。