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fish ladder的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:
英英釋義
Noun:
-
a series of ascending pools providing a passage for salmon to swim upstream past a dam
fish ladder的用法和樣例:
例句
- Then, to help the salmon swim upstream to deposit their eggs, they build special fish ladders up the smaller dams and rapids.
同時(shí),為幫助鮭魚(yú)逆水,游回產(chǎn)卵的地方,他們在較小的水壩和急流上建設魚(yú)梯。