Application site reactions in the fentanyl group (6.3%) were mild to moderately severe in all but one case.Mild erythema occurred in 53.8% of patients at 24 hours and resolved within four weeks.是什么意思_Application site reactions in the fentanyl group (6.3%) were mild to moderately severe in all but one case.Mild erythema occurred in 53.8% of patients at 24 hours and resolved within four weeks.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句