常见例句A residency is aperiod of hospital training for medical school graduates. 一段實習期是指允許毉學研究生在毉院培訓實習的時間。aperiodical coil 無槼卷曲aperiodical coil(random coil) 無槼卷曲, 非周期性螺鏇aperiod mutant 無周期突變躰 返回 aperiodical