A case-contral study on drinking green tea and decreasing risk of cancers in the alimentary canal among cigarette smokers and alcohol drinkers是什么意思_A case-contral study on drinking green tea and decreasing risk of cancers in the alimentary canal among cigarette smokers and alcohol drinkers在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句