So I'm thinking that with what's going on in the Gulf of Aden, basically there has to be something involving dolphins and possibly other sea animals, like whales.
所以我正在考虑发生在亚丁湾的,主要有一些东西涉及海豚和或许其它海洋动物,比如鲸鱼。
Like humans, killer whales have colonized a range of different habitats across the globe, occupying every ocean basin on the planet, with an empire that extends from pole to pole.
像人类一样,虎鲸也在全球范围内开拓了一系列不同的栖息地,占据了地球上的每一个海洋流域,拥有一个从一极延伸到另一极的帝国。
The structure of the backbone shows, however, that Ambulocetus swam like modern whales by moving the rear portion of its body up and down, even though a fluke was missing.
不过,走鲸的脊椎结构显示,即使没有尾片,它们在水中同样能够像现代鲸鱼那样通过身体后面部分的上下摆动来游动。
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