| 释义 |
gastropoda 释义 腹足纲 例句 1·Any of numerous aquatic or terrestrial mollusks of the class Gastropoda , typically having a spirally coiled shell, broad retractile foot, and distinct head. 蜗牛:腹足科众多水生或陆栖软体动物中的一种,通常带有一螺旋似的厚壳,足宽且向内旋,脑袋清晰。 2·Few species, low biomass and lack of blue green algae, Gastropoda , Lamellibranchia and Crustacea are most notable characteristics distinguished from general neutral and alkaline lakes. 湖泊生物种群少且生物量低,缺失蓝藻和腹足类、瓣鳃类、甲壳类动物等为其区别于一般中、碱性湖泊最显著的特点。
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