phenethyl alcohol(blood agar)苯乙醇(血琼脂) polyethlene adipate聚己二酸乙烯酯 pelvic examination under anesthesia麻醉下骨盆检查 polysaccharide egg anitgen多糖卵抗原 percent(myo)electrical activity(肌)电活动百分率 phenethylamine苯乙胺 pyridylethylamine吡啶乙胺