Rana phrynoides

例句：

1. 1. The fish market is full of different kinds of freshwater fish.
   鱼市场里充满了各种淡水鱼。
2. 2. The scientist collected samples from the river to study its ecology.
   科学家从河流中采集样本来研究其生态。
3. 3. The fish were caught in the lake and sold for food.
   这些鱼是在湖里捕获的，被用来做食物。