A survey of zoobenthos in the lower reaches of Hanjiang River was carried out during May. 1988 to October, 1990. forty - seven zoobenthic species (including 6 aquatic oligochaetes, 23 molluscs, 15 aquatic insects and 3 species of other taxa) were found.是什么意思_A survey of zoobenthos in the lower reaches of Hanjiang River was carried out during May. 1988 to October, 1990. forty - seven zoobenthic species (including 6 aquatic oligochaetes, 23 molluscs, 15 aquatic insects and 3 species of other taxa) were found.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句