Diou迪乌DIabbr.教官（=drill instructor）difluorobiphenyl二氟联(二)苯dichloropropanol二氯丙醇dicyclohexylurea二环己[基]脲dilatometer test膨胀仪试验Dicaffeoyl group咖啡酰基diluent modifier稀释剂改性剂dihydroxyest rin雌二醇dihydroquinidine双氢奎尼丁Diomedeanigripesn.黑脚信天翁difluoroethylene二氟乙烯