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- A large extinct marine reptile having paddlelike limbs that was common in Europe and North America during the Mesozoic Era. 蛇颈龙属常见于欧洲和北美洲中生代，有桨状肢已灭绝的一种大型海洋爬行动物
- Weighing more than 700 kilograms and reaching more than 1.7 meters in length, the leatherback turtle is the world's largest marine reptile. 棱皮海龟重量超过700公斤，长度超过1.;7米，可以说是地球上最大的海洋爬行动物。
- Plesiosaurs were marine reptiles that typically had small heads, long necks, and large flippers. 蛇颈龙是一种海洋爬行动物;通常具有较小的头颅;长长的脖子和巨大的鳍状肢.
- extinct marine reptile with longer more slender limbs than plesiosaurs and less completely modified for swimming. 已灭绝的海洋爬行动物，比蛇颈龙的四肢更长更细，且不太适于游水。
- Any of various extinct fishlike marine reptiles of the order Ichthyosauria of the Triassic Period to the Cretaceous Period,having a porpoiselike head and an elongated,toothed snout. 鱼龙三叠纪至白垩纪间的属于鱼龙目的水生爬行动物中的任一种，现已绝迹，该动物头象海豚，喙长，有牙。
- In total,28 well-preserved skeletons of marine reptiles that lived some150 million years ago have been identified at the site, reports a team from the University of Oslo Natural History Museum in Norway. 在这个地点已经确定了28个保存完好的海洋爬行动物的骨骼;它们曾经生活在1.;5亿年前
- Primary genera of fossils group consist of marine reptiles (ichthyosaurus, thalattosaurus, sauropterygia, placodus), crinoid, ammonite, bivalve, brachiopoda, conodont, fish and plants. 化石群主要门类有海生爬行类(鱼龙、海龙、鳍龙、盾齿龙等)、海百合、菊石、双壳、腕足、牙形刺、鱼类和植物。
- The land is teeming with reptile life. 这片土地多爬行动物。
- During the extinction of the dinosaurs, crocodiles and turtles were around, but they survived, even to this day, while the dinosaurs, the pterosaurs, the marine reptiles and others died out. 在恐龙灭绝的时候,鳄鱼和海龟也是同一时期的,但它们存活了下来,甚至存活到今天,但恐龙,翼龙,海洋爬虫类和其他物种全都灭绝了。
- Any of various extinct fishlike marine reptiles of the order Ichthyosauria of the Triassic Period to the Cretaceous Period, having a porpoiselike head and an elongated, toothed snout. 鱼龙三叠纪至白垩纪间的属于鱼龙目的水生爬行动物中的任一种，现已绝迹，该动物头象海豚，喙长，有牙
- extinct marine reptile with longer more slender limbs than plesiosaurs and less completely modified for swimming 已灭绝的海洋爬行动物，比蛇颈龙的四肢更长更细，且不太适于游水
- Marine plants grow on the sea bed. 海生植物长在海底。
- extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous. 已灭绝的海洋爬行动物，头小颈长尾短，并有桨状肢；生活在侏罗纪和白垩纪。
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- America had the largest mercantile marine. 美国当时拥有最大的商船队。
- The rocks are covered by marine plants. 岩石被海生植物所覆盖。
- Are there any other clauses in marine policies? 海运险还包括其它条款吗？
- a large extinct marine reptile having paddlelike limbs that was common in Europe and North America during the Mesozoic Era 常见于欧洲和北美洲中生代，有桨状肢已灭绝的一种大型海洋爬行动物
- This lesson pertains to marine animals. 这一课讲海洋动物。
- extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous 已灭绝的海洋爬行动物，头小颈长尾短，并有桨状肢；生活在侏罗纪和白垩纪
