a semiaquatic reptile of Central and South America that resembles an alligator but has a more heavily armored belly 同义词：cayman,
例句与用法
1.
" why are you so quiet ? " the caiman asked 鳄鱼问. .为什么你这么安静
2.
They reach their monumental size on a diet of wild pigs , deer , birds , turtles , capybara , caimans , and even jaguars 长到如此大的尺寸，是由于它们可以捕食野猪，鹿，鸟，龟，水豚，凯门鳄甚至美洲虎。
3.
Additional homologous sequences of alligator mississipiensis and caiman crocodilus from genbank were aligned together and compared with chelonia mydas 结果显示：在鳄类动物中，扬子鳄与密西西比鳄的亲缘关系最近。
4.
The site protects key threatened species , including giant arapaima fish , the amazonian manatee , the black caiman and two species of river dolphin 保护区为许多珍稀濒危动物提供保护，例如巨骨舌鱼、亚马逊海牛、黑凯门鳄和两种淡水豚类。
5.
In a journey of a lifetime we explore the lush grasslands of brazil to encounter the macaws living alongside 700 species of animals and birds including caiman , capybara and giant anteaters 节目制作人员将会跟随一名鹦鹉发烧友到巴西观察世上最大的金刚鹦鹉，看看金刚鹦鹉如何跟其他700个品种野生动物在同一个自然环境下生活。
6.
Phylogenetic relationship of sequences was constructed by neighbor - joining method in mega and maximum parsimony algorithm in paup . the same two groups were showed in the results , and the group b sequences were more similar to two sequences of caiman crocodilus Nj法和mp法构建的系统树极为相似， 10种序列聚为两支( a和b ) ，分支b与凯门鳄的两种序列的亲缘关系较近。
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