snapping turtle

snapping-turtle的词性：
n.（名词）

1. Any of several large freshwater turtles of the family Chelydridae of North, Central, and northern South America, having a rough shell and powerful hooked jaws that close with a snap, especially the common North American species Chelydra serpentina and the alligator snapping turtle of the south-central United States.
鳄龟：产于北美、中美和南美北部地区的鳄龟科中的任意一种大型淡水龟类，其外壳坚硬，其强大的钩状爪能迅速凶猛地合拢，主要指产于北美的普通的爬行鳄鱼 和产于美国中南部的短喙鳄龟