The incidence of side reaction,nausea and vomiting,was 41% in Demerol group,and naught in other groups.是什么意思_The incidence of side reaction,nausea and vomiting,was 41% in Demerol group,and naught in other groups.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句