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| sea mammal | |||
| marine mammal Mammals which have adapted to live in the sea, such as whales, dolphins, porpoises, etc. (适应生活在海上的哺乳动物，如鲸、海豚、鼠海豚等。) | |||
| marine mammal | |||
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海洋哺乳动 物 : 12 phrases in 8 subjects |
| Environment | 2 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Fishery fishing industry | 2 |
| Name of organization | 1 |
| Nautical | 1 |
| Statistics | 2 |
| Technology | 1 |
| United Nations | 1 |