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单词 θ54825
释义
the world > food and drink > farming > animal husbandry > fish-keeping, farming, or breeding > [noun] > fish passage or ladder (8)
salmon leapa1387

see leap, n.1 2b.

fish-way1845

an arrangement for enabling fish to ascend a fall or dam.

fish-pass1861

= fish-way n.

pass1861

A channel built to enable fish to swim past or over a weir or similar obstacle, esp. (more fully salmon pass) one for salmon migrating upstream…

fish-ladder1865

a series of steps to enable fish to ascend a fall or dam by a succession of leaps.

salmon ladder1867

a fish ladder for salmon; also, transferred ‘a contrivance used in the chemical treatment of sewage’ (Cent. Dict.).

salmon pass1867

= salmon ladder n.

zigzaga1877

Applied spec. to other things of a zigzag shape. Fisheries. (See quot.)

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