柯林斯词典seashell /ˈsiːˌʃɛl/ (seashells) 1. N-COUNT Seashells are the empty shells of small sea creatures. 海贝壳[usu pl] 返回 seashell剑桥词典the empty shell of a small sea creature , often one found lying on the beach 海贝壳 返回 seashell