maturation pool

例句：

1. 1. The fish in the pond arestarting to mature.
   池塘里的鱼开始成熟了。
2. 2. The maturation pool is acritical component of the irrigation system.
   灌溉系统中的成熟池是关键组成部分。
3. 3.The fish farmers use maturation pools to control the growth of their fish.
   鱼农使用成熟池来控制鱼类的生长。