/ˈgæstrəpɒd ||; ˈgæstrəˌpɑd/noun [C] any of a CLASS of animals with a soft body and usually a shell, that can live either on land or in water 腹足纲软件动物；腹足类: Snails and slugs are gastropods. 蜗牛和蛞蝓是软件动物。