查询词典 Cetacea
- 与 Cetacea 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Any of various aquatic,chiefly marine mammals of the order Cetacea,including the whales,dolphins,and porpoise s,characterized by a nearly hairless body,anterior limbs modified into broad flippers,vestigial posterior limbs,and a flat,notched tail.
鲸目动物鲸目动物中的一种水生动物，主要是海生哺乳动物，包括鲸、海豚和鼠海豚，特征为身体几乎无毛、前肢变成宽大的鳍、后肢退化及尾扁平而分叉
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Is mammal , order Cetacea .
宽吻海豚是哺乳纲，鲸目海豚科的一种。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。