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- primitive land animal 原始陆生动物
- The elephant is the largest land animal in existence. 大象是现有的最大的陆上动物。
- The elephant is the largest living land animal. 象是现今陆地上最大的动物。
- Potential dehydration is the greatest hazard that a land animal often faces. 原文的意思应该是：可能出现的脱水是陆上动物经常要面临的一个最大危险。
- Then God created the land animals. 我们很爱动物,神创造了它们。
- Many land animals evolved from aquatic creatures. 许多陆地动物是从水生生物演化而来的。
- They are the loudest land animal and their howls can be heard three miles away through dense forests. 然而，如果你是之前说服自己这种疼痛没有很糟，你可能不会遭受那麽大的痛。
- Rhinoceros is the second largest land animal in the planet, just second to elephant. 犀牛是地球上第二大路地动物，仅次于大象。
- But dolphins are very different from almost all land animals. 说明了海豚与其它动物的不同点,前句。
- The cheetah is the fastest land animal, capable of reaching speeds up to 70 miles per hour. 猎豹是跑得最快的陆地动物，它奔跑的速度可达每小时70英里。
- Land animals are believed to have developed from sea animals. 陆地动物被认为是由海洋动物进化而来的。
- Primitive man made tools from sharp stones and animal bones. 原始人用尖石块和动物的骨制造工具。
- Very large herbivorous dinosaur of the Jurassic and Cretaceous having a small head a long neck and tail and five-toed limbs,largest known land animal. 侏罗纪和白垩纪非常大的食草恐龙，头小，颈和尾长，五趾足，目前已知的最大的陆地动物。
- At up to 92 feet (28 meters) and 50 tons, these sauropods (large, herbivorous dinosaurs) were much larger than any land animal alive today. 在高达92英尺（28米）和50吨，这些蜥蜴类动物（大，草食性恐龙）要远远大于任何陆地上今天活着的动物。
- The fastest land animal in the world, cheetahs once thrived in Africa and Asia, but lion predation haunts their young, and farms and ranching have reduced their habitat. 猎豹是陆地上速度最快的动物，曾在亚非大地上大量生长，但它们的幼兽常为狮子等捕食，栖息场所也因不断增加的农庄和牧场而缩减。
- T. rex is as big as the largest known African elephant, and Brachiosaurus, like other great sauropods, was much larger than any land animal alive today. 霸王龙就和目前所知最大的非洲象一样庞大，腕龙则与其他蜥脚类恐龙一样，比任何一种现存的陆生动物都要大上许多。
- His art is primitive and provincial. 他的艺术原始而粗野。
- The excreta of humans and land animals contain soluble refractory organic matter. 人和陆生动物排泄物含有可溶的难处理有机物质。
- Primitive people often lived in caves. 原始人常常住在山洞里。
- Primitive peoples deified the sun. 原始部落将太阳奉为神。
