In 1999, 19 847 cases of notifiable infectious diseases were reported, of which nearly 35 per cent were due to tuberculosis.是什么意思_In 1999, 19 847 cases of notifiable infectious diseases were reported, of which nearly 35 per cent were due to tuberculosis.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句