Biology. The movement of an animal from one region, location, or habitat to another in order to breed, grow, or find food; an instance of this; esp.…
| 单词 | θ37636 |
| 释义 | the world > animals > fish > [noun] > migratory fish > migration (4) migration1701 Biology. The movement of an animal from one region, location, or habitat to another in order to breed, grow, or find food; an instance of this; esp.… migrating1815 = migration, n. eel-fare1836 The passage of young eels up a river. Subcategories:— against current (1) |
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