| 单词 | fish-ladder |
| 释义 | > as lemmasfish-ladder fish-ladder n. a series of steps to enable fish to ascend a fall or dam by a succession of leaps. ΘΚΠ the world > food and drink > farming > animal husbandry > fish-keeping, farming, or breeding > [noun] > fish passage or ladder salmon leapa1387 fish-way1845 fish-pass1861 pass1861 fish-ladder1865 salmon ladder1867 salmon pass1867 zigzaga1877 1865 Michigan Gen. Statutes (1882) I. 574 Sufficient and permanent shutes or fish ladders to admit of the free and uninterrupted passage of fish over such dam or dams. 1885 G. C. Bompas Life F. Buckland ix. 189 Many fish-ladders had proved useless. < as lemmas |
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