salmon ladder
(亦作salmon leap)
noun
- a series of natural steps in a cascade or steeply sloping river bed, or a similar arrangement incorporated into a dam, allowing salmon to pass upstream（使大麻哈鱼能越过瀑布、陡峭河床或堤坝往上游的）鱼梯, 鱼道。
| 单词 | salmon ladder |
| 释义 | salmon ladder(亦作salmon leap) noun
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