webbed feet
释义
蹼足：某些动物（如鸭子、鹅和天鹅）的脚有脚趾之间的皮肤形成的蹼状结构。这种适应性使它们在水中更有效地游泳。
例句
1·Ducks have webbed feet to help them swim.
鸭子的脚长有游泳用的蹼。
2·The webbed feet are used for swimming.
蹼足可用于游泳。
3·The duck paddled its way within a minute with its webbed feet .
鸭子在水里用鸭蹼划水，一会游了很远。
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