The density of flies in urban area of Zhangye was 4.30 flies every cage. Musca domestica is the dominant species.是什么意思_The density of flies in urban area of Zhangye was 4.30 flies every cage. Musca domestica is the dominant species.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句