daabbr.地方检察官(=district attorney)daka达克原色平布daukn.含有矿脉的粘质砂岩(密实粘土砂岩)daep敌磷Daza达萨Daux多dautvt.<苏>爱抚； 抚摸Daqun.大曲DAAR=Daily Air Activity Report 每日空中活动报告Daumn.多姆Dacyn.达西

1. After being taken back 200 years, we were suddenly returned to the present day.
   我们刚才还处在200年前的历史场景之中，一下子又回到了现在。
2. She smokes 20 (cigarettes) a day.
   她一天抽20支(香烟).
3. In a day, a doctor may write (out) 30 prescriptions for patients.
   一个医生一天可能要给病人开出30张处方。
4. He makes nothing of walking 20 miles in a day.
   一天走20英里，他不以为是难事。