| 单词 | marine mammal |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔blubber〕The thick layer of fat between the skin and the muscle layers of whales and other marine mammals, from which an oil is obtained.鲸脂：鲸和其它海洋哺乳动物的表皮层肌肉层之间的厚层，含有油脂美国传统〔dorsal fin〕The main fin located on the back of fishes and certain marine mammals.背鳍：鱼或一些海洋哺乳动物背部主要的鳍美国传统〔expert〕He's a world expert on marine mammals.他是研究海洋哺乳动物方面的世界性权威。朗文当代〔sea dog〕Any of various seals or similar marine mammals.海豹：任一种海豹或类似的海生哺乳动物美国传统〔unprotected〕Although some marine mammals are protected by environmental laws, many remain unprotected.尽管有一些海洋哺乳动物受到了环境法的保护，但还有很多不在其中。剑桥高阶〔with〕Marine mammals generally swim with the current.海洋哺乳动物一般顺水而游。牛津高阶Whales, dolphins and porpoises are marine mammals.鲸，海豚和鼠海豚是海洋哺乳动物。剑桥国际 |
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