recurrent migration
英
美
- 回游
双语例句
- 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。 - Dams to be built across fish and crab migration routes shall be provided with appropriate fish passage facilities.
在鱼蟹回游通道筑坝，要建造相应的过鱼设施。
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