meio·fauna英'maɪəʊfɔːnə美'maɪoʊfɔːnəCOCA²²⁹⁵⁹⁸ 基本例句 n.较小型底栖生物⁵⁰;较小型水底生物⁵⁰ Besides, meiofauna are good environmental indicator organism because they move slowly and are sensitive to the change of environment. 此外，小型底栖动物具有活动范围小、对环境的变化反应灵敏等特点，是环境改变很好的指示生物。 cnki