The disease is usually caused by a bacterium, e.g. common scab of potatoes (Streptomyces scabies), or a fungus, e.g. apple scab (Venturia inaequalis).是什么意思_The disease is usually caused by a bacterium, e.g. common scab of potatoes (Streptomyces scabies), or a fungus, e.g. apple scab (Venturia inaequalis).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句