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| frog (Ranidae) | |||
| paddock; frog | |||
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| frog; frog Any insectivorous anuran amphibian of the family Ranidae, such as Rana temporaria of Europe, having a short squat tailless body with a moist smooth skin and very long hind legs specialized for hopping | |||
| frogs (Rana) | |||
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rana : 50 短语, 13 学科 |
| 一般 | 1 |
| 信息技术 | 2 |
| 养鱼（养鱼） | 8 |
| 农业 | 2 |
| 医疗的 | 2 |
| 文化学习 | 2 |
| 机械工程 | 1 |
| 生命科学 | 6 |
| 电动机 | 1 |
| 自然科学 | 7 |
| 自然资源和野生动物保护 | 7 |
| 运输 | 2 |
| 鱼类学 | 9 |