蜗牛的英语单词：snail；短语：Snail Mail 蜗牛竞速 ; 蜗牛邮件 ; 蜗牛邮递员 ；Snail Bob 蜗牛鲍勃 ; 蜗牛找新家 ; Cone Snail 鸡心螺 ; 锥螺；river snail 田螺 ; 即食炒田螺 ; 蟹 ; 物蛤；snail stone 蜗牛石