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- For cultivation, elvers of the eel are caught from the wild population in estuaries during their upstream migration. 为了养殖的目的,渔民于河口域捕获即将溯河的野生鳗线族群。
- At the left side of the Photo is fish ladle to facilitate the upstream migration of Oshima to the intake were for their habitation and reproduction. 照片左侧为鱼梯,以便濒临绝种之鯝鱼能溯河迁徙至取水堰上游,供其繁衍栖息。
- The falls upstream are full of salmon. 该瀑布上流有许多大麻哈鱼。
- Ecology and resource on the upstream migration elvers of Japanese eel ( Anguilla Japonica ) in coastal waters of the Yellow Sea 辽宁黄海沿岸鳗苗的溯河生态与资源
- We paddled (the canoe) slowly upstream. 我们慢慢地划著(独木舟)逆流而上。
- Scientists have studied the migration of fish over long distances. 科学家研究过鱼类远距离回游的现象。
- upstream migration 溯河洄游
- There has been a migration of people from the country to the towns. 人们从乡下移居城镇。
- There is waterfall at this upstream of bridge. 在这座桥的上游有条瀑布。
- The salmon are running upstream. 鲑鱼正在向上游洄游。
- Open the upstream slowly and fill the valve. 慢慢开启上游并向阀门注水。
- There was a huge migration of people into Europe because of the war. 因为战争,大量的移民涌入欧洲。
- Seabirds will fly from here to another place for migration every year. 海鸟每年都要从一个地方迁徙到另一个地方。
- The nearest town is about ten miles upstream. 最近的城镇大约在沿河向上十英里处。
- A trout took the fly and ran upstream. 一条真鳟咬住假蝇向上游快速游去。
- Oh, walk upstream alongside the river. 嘉宾:哦,逆着河走。
- Upstream facing interface with foundation and abut. 上游护面与地基和坝肩的连接面。
- He tried to make his way upstream. 他试著逆流而上。
- And walking upstream along the river? 逆着河走啊?
- By mid-October Operation Migration was ready. 到了10月中旬,迁徙行动的准备工作就绪。