【原稿】大家都认识螃蟹吧,这种长着两只大螯、八条腿、身披黑色铁甲的动物在人类眼里毫不起眼,可是一次偶然的经历却使我对它很敬佩。那天一大早,妈妈就上集市买了几只螃蟹。回到家,妈妈将它们放到水里,便转身拿东西去了。回来后,竟发现少了一只螃蟹。于是,我和妈妈便当起神探 [Original] Everyone knows crabs. This kind of animal with two big claws, eight legs, and black armor is inconspicuous in the eyes of human beings. However, an accidental experience made me admire it. Early that morning, my mother bought a few crabs at the market. When I got home, my mother put them into the water and turned to take things. After returning, I found a crab missing. So, my mother and I became detectives