The resistant rate increased from 21.3% to 81.8% for ceftazidime and from 39.3% to 72.7% for cefoperazone during a period of 2 years.是什么意思_The resistant rate increased from 21.3% to 81.8% for ceftazidime and from 39.3% to 72.7% for cefoperazone during a period of 2 years.在线翻译_英语_读音_用法_例句