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词汇	fish ladder
释义	fish laddern.（名词）fish ladderfish ladder at Rocky Reach Dam on the Columbia River, near Wenatchee, Washington A series of pools arranged like ascending steps at the side of a stream, enabling migrating fish to swim upstream around a dam or other obstruction.鱼道，鱼梯：在水流边上呈上升阶梯状排列的一系列使洄游鱼能绕过水坝或其它障碍物向上游游去的池塘
随便看	tetraethyl lead tetraethyl pyrophosphate tetragon Tetragrammaton tetrahedra tetrahedra tetrahedral tetrahedrite tetrahedrites tetrahedron tetrahedrons tetrahydrocannabinol tetrahydrofuran tetrahydroxy tetralogies tetralogy tetralogy of Fallot tetramer tetramerous tetramers tetrameter tetraodontoxin tetraploid tetraploids tetrapod

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