单词salmon ladder
un.: 鱼梯网络: 鲑鱼梯；鲑鱼的鱼梯
鱼梯
There is a children"s interactive play room, a salmon ladder and fish hatchery, and more than 400 species of sea life.
还有儿童互动的游戏间、鲑鱼鱼梯和孵卵的地方，以及四百多品种的水族。