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- The zoology of whales and related aquatic mammals. 鯨(類(lèi))學(xué)研究鯨和與其有親緣關(guān)系的水生哺乳動(dòng)物的動(dòng)物學(xué)
- Any of several related aquatic mammals,such as the dolphin. 鼠海豚屬的動(dòng)物與鼠海豚有關(guān)的幾種水生哺乳動(dòng)物的一種，例如海豚
- Any of several related aquatic mammals, such as the dolphin. 鼠海豚屬的動(dòng)物與鼠海豚有關(guān)的幾種水生哺乳動(dòng)物的一種，例如海豚
- A hole in ice to which aquatic mammals,such as dolphins,come to breathe. 冰上的孔穴生活在水中的哺乳動(dòng)物，如海豚，前來(lái)?yè)Q氣的冰面上的孔。
- A hole in ice to which aquatic mammals, such as dolphins, come to breathe. 冰上的孔穴生活在水中的哺乳動(dòng)物，如海豚，前來(lái)?yè)Q氣的冰面上的孔
- A wide,flat limb,as of a seal,whale,or other aquatic mammal,adapted for swimming. 鰭，鰭足海豹、鯨或其它水生哺乳動(dòng)物的寬而扁的適于游泳的肢
- Thus, even a century after Darwin, these aquatic mammals remained an evolutionary enigma. 因此，即使達爾文過(guò)世超過(guò)一個(gè)世紀，這些海棲哺乳類(lèi)仍然是個(gè)演化謎團。
- These large aquatic mammals are notable for the way in which they carry their young, cradled in their arms much as a human would carry a baby. 這種巨大的水中哺乳動(dòng)物以它們懷抱幼仔的方式聞名，它們將手臂挽成搖籃狀，就像人類(lèi)托著(zhù)自己的嬰孩一般。
- Any of various small whales,porpoises,or similar aquatic mammals,especially a whale of the genus Mesoplodon,having a pointed snout. 啄鯨一種小型鯨、海豚或類(lèi)似的水生哺乳動(dòng)物，尤指啄鯨屬的一種有尖啄的鯨魚(yú)
- Any of various small whales, porpoises, or similar aquatic mammals, especially a whale of the genus Mesoplodon, having a pointed snout. 啄鯨一種小型鯨、海豚或類(lèi)似的水生哺乳動(dòng)物，尤指啄鯨屬的一種有尖啄的鯨魚(yú)
- Of or belonging to the Pinnipedia,a suborder of carnivorous aquatic mammals that includes the seals,walruses,and similar animals having finlike flippers as organs of locomotion. 有鰭狀肢的屬于鰭腳亞目動(dòng)物的，肉食水生動(dòng)物的一個(gè)分支，包括海獅、海象及其他類(lèi)似的用鰭狀肢行進(jìn)的動(dòng)物。
- The disappearance of the baiji would be the first instance of a large aquatic mammal being driven to extinction since hunting killed off the monk seal around 1952. 自1952年左右僧海豹由于人類(lèi)狩獵而慘遭滅絕以來(lái),白暨豚的消失是大型水生哺乳動(dòng)物被趕盡殺絕的第一例。
- Of or belonging to the Pinnipedia, a suborder of carnivorous aquatic mammals that includes the seals, walruses, and similar animals having finlike flippers as organs of locomotion. 長(cháng)牙，獠牙一種伸長(cháng)的尖的齒，通常有一對，延伸至嘴外，如海象、象、野豬等動(dòng)物的長(cháng)牙
- Any of various herbivorous aquatic mammals of the genus Trichechus, having paddlelike front flippers and a horizontally flattened tail and found in warm coastal waters of Florida, northern South America, West Africa, and the Caribbean. 海牛一種海牛屬食草性水生哺乳動(dòng)物，長(cháng)有蹼狀前鰭，居中扁平的尾巴，產(chǎn)于美國佛羅里達州、南美洲北部、西非和加勒比海地區海岸溫暖的水域中
- Many forms of aquatic life inhabit ponds. 有很多種水生動(dòng)植物均棲居於池塘。
- A whale is no less a mammal than a horse is. 鯨魚(yú)和馬一樣都是哺乳動(dòng)物。
- The whale is the largest mammal in creation. 鯨是世上最大的哺乳類(lèi)動(dòng)物。
- Swimming and water-skiing are both aquatic sports. 游泳和滑水都是水上運動(dòng)。
- A corresponding organ in other mammals. 胸脯其它哺乳動(dòng)物的相應器官
- We visited an aquatic city in Italy. 我們在義大利訪(fǎng)問(wèn)過(guò)一個(gè)水上城市。
