cetaceans怎么读,cetaceans的音标和真人发音
cetaceans是什么意思,cetaceans的意思是
cetaceans 的用法和双语例句“点击”或“选中”例句中的单词,就可以看到词义解释
- Ichthyosaurs also resembled cetaceans in another way : unlike most living reptiles , which lay eggs , they gave birth to live young .
- 鱼龙与鲸类动物还有另一点相似之处:大多数现存的爬行动物靠产卵繁殖,而鱼龙是通过怀胎产子的。
- Peek-a-boo : the waianae coast of oahu is a visiting area for many cetaceans , but the hawaiian spinner dolphins are the most common marine mammal seen off this coast .
- 躲猫猫:欧胡岛的怀厄诺海岸是许多鲸类动物热爱的地方,但是这个海岸最常见的哺乳类动物要数夏威夷的飞旋海豚。
- Cetaceans are a group of mammals that include whales , dolphins and porpoises .
- 鲸豚包含鲸鱼、海豚等海洋哺乳动物。
- The rarified list of complex vocal imitators includes birds , elephants , cetaceans , seals , and humans .
- 能够进行复杂声音模仿的少数动物有鸟,大象,鲸,海豹和人类。
- She concluded , " essentially , the brains of primates and cetaceans arrived at the same cognitive space while evolving along quite different paths . "
- 她总结说,“灵长类动物和鲸类的大脑的认知能力基本上处在同一是水平,只是进化方式截然不同。”
- How the millions of liters of oil will impact sperm whales and other cetaceans is an ongoing , unintentional science experiment .
- 此次泄漏出来的百万吨石油将如何影响到抹香鲸及其他鲸类的生存,科学家还将持续保持关注。
- With warmer weather beckoning , the urge to migrate to the mountains , forests , beaches and deserts seems every bit as much a genetic imperative among humans as the migratory instincts of petrels , cetaceans or wildebeest .
- 随着气候的变暖,人们想要移居高山、森林、海滩和沙漠的欲望十分强烈,这就是一种跟海燕、鲸鱼或者牛羚们的迁徙本性一样的人类天性的欲求。
- The idea of whale personhood makes all the more haunting the prospect that earth 's cetaceans , many of whom were hunted to the brink of extinction in the late 19th and early 20th centuries , are still threatened .
- 十九世纪末和二十世纪初,地球上许多鲸目动物遭到捕杀濒临灭绝,鲸具人格性的观点使得受到威胁的地球鲸目动物的前途更加令人担忧。
- The most imaginative explanation is that our ancestors went through an aquatic phase millions of years ago and jettisoned their fur , which is a poor insulator in water , just as cetaceans have done .
- 最异想天开的解释是,几百万年以前,我们的祖先经历了一段水生时期,于是和鲸类动物一样,蜕去了在水中隔热性很差的毛。
- It appears that spindle cells evolved in whales about thirty million years ago some fifteen million years before humans acquired them so the fact that the common ancestor of cetaceans and primates lived more than ninety-five million years ago means that spindle cells evolved separately in these lineages .
- 鲸类进化梭形细胞在大约3000万年以前,比人类早了差不多1500万年,所以鲸类和灵长类的共同先祖生活在超过9500万年以前的事实,意味着梭形细胞在这些后裔中独立进化。