单词	Elder medicine
释义	Elder medicine 老年医学
随便看	differential absorption rate differential absorption ratio differential absorption spectrometry differential absorption technique differential acceleration differential acclimation differential accounting differential accumlator differential accumulater differential accumulation differential accumulator differential aconductometric titration differential-act differential acting hammer differential acting pile-hammer differential-acting pile hammer differential-acting pile-hammer differential acting pump differential acting steam hammer differential-acting steam hammer differential actinometer differential action differential activity differential actual differential actuator