A series of pools built like steps to enable fish to ascend a dam or waterfall.
（可使鱼逐级向上游过大坝或瀑布的）鱼梯，鱼道
Example sentencesExamples
City officials proposed using the revenue to cover the cost of removing 620 miles of road, building fish ladders, and other environmental protections.
With farmers' cooperation, fish ladders were improved, five dams were removed entirely, and alternate water sources were found for some irrigators.
We also have constructed fish ladders and we developed quite a few parks for the public to come and see, and learn about the potential of the river restoration.
A fish ladder was built into the 29-foot-high dam.
Dams prevent upstream migration of adult salmon, but this can be overcome to some extent by the construction of fish ladders in which the salmon jump up a long series of waterfalls.
Definition of fish ladder in US English:
fish ladder
nounfiSH ˈladər
A series of pools built like steps to enable fish to bypass a dam or waterfall.
（可使鱼逐级向上游过大坝或瀑布的）鱼梯，鱼道
Example sentencesExamples
A fish ladder was built into the 29-foot-high dam.
Dams prevent upstream migration of adult salmon, but this can be overcome to some extent by the construction of fish ladders in which the salmon jump up a long series of waterfalls.
We also have constructed fish ladders and we developed quite a few parks for the public to come and see, and learn about the potential of the river restoration.
City officials proposed using the revenue to cover the cost of removing 620 miles of road, building fish ladders, and other environmental protections.
With farmers' cooperation, fish ladders were improved, five dams were removed entirely, and alternate water sources were found for some irrigators.