我家不远的地方有一条小溪,溪底的岩石下总藏着一只只螃蟹。一天放学,我兴高采烈地约同学们一起去捉螃蟹。小溪的水很清澈,可以看见溪底铺着的鹅卵石。我掀开一块大卵石,只见一窝大大小小的螃蟹,惊惶失措地横着身体向四周分散逃走,尽管它们逃跑的架势很足,可是,那背上的黑褐色 There is a stream not far from my home, and there is only one crab under the rock at the bottom of the stream. One day after school, I happily together about the students to catch crabs. The creek's water is clear, you can see the pebbles covered with creek. I opened a pebble, saw a nest of large and small crabs, panic scattered around the body dispersed to escape, although they are enough to escape the posture, however, that the back of the dark brown