The major dominant species of insect pests were Pieris rapae and Lipaphis erysimi and the major dominant species of predatory enemies were Sittius sinensis and Theridium graminicola.是什么意思_The major dominant species of insect pests were Pieris rapae and Lipaphis erysimi and the major dominant species of predatory enemies were Sittius sinensis and Theridium graminicola.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句