腹足类软体动物 meaning in English

snail

Many foreign scholars and a few chinese scholars have studied the ultrastructure of the mature sperm and spermatogenesis of gastropod ; however , nobody has studied the ultrastructure of the mature sperm and spermatogenesis of cipangopaludina chinensis
关于腹足类软体动物精子和精子发生的超微结构，国内研究甚少，国外研究较多；但有关中国圆田螺精子和精子发生的超微结构的研究，尚未见报道。