There were 3 species of Annelida(7.7% of the sum),2 species of Mollusca(5.1% of the sum) and 1 species of Nematoda and Bryozoa(2.6% of the sum each).是什么意思_There were 3 species of Annelida(7.7% of the sum),2 species of Mollusca(5.1% of the sum) and 1 species of Nematoda and Bryozoa(2.6% of the sum each).在线翻译_英语_读音_用法_例句