Neritina pulligera, common name the dusky nerite, is a species of freshwater snail,(file created 29 July 2010) FRESH WATER MOLLUSCAN SPECIES IN INDIA. 11 pp.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。