在天津诺恩赶海拾贝生态园的沙滩上,生活着两种螃蟹。一种是背上背着一个圆网亮亮的贝壳的圆壳螃蟹。这种螃蟹通体呈青绿色,最前面长着两只粗壮有力的大钳子。所以它们的胆子都很肥,就在沙滩上爬来爬去。一到有游客来捉,它们就举着两个大钳子在沙滩上快速地横着飞跑。恨不得一下子就逃得无影无踪,如果是小孩子要去捉它们,它们就会奋力反抗。用那不 On the beach in Tianjin Nurun Beach Sheep Ecological Park, there are two kinds of crabs. One is a round shell crab with a shiny round shell on the back. This crab is greenish in color and has two stout pliers on the front. So their courage is very fat, crawling on the beach. As soon as visitors came to catch them, they held two big pliers flying quickly and horizontally on the beach. Can not wait to escape without a trace, if the children want to catch them, they will fight hard. Use that not