An analysis on desertification and degeneration of rearing farm for Antheraea pernyi and a basic conception to promote sericulture development是什么意思_An analysis on desertification and degeneration of rearing farm for Antheraea pernyi and a basic conception to promote sericulture development在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句