dossn.睡眠；<英>简易床v.<英>上床；睡觉dov.做；干n.注意事项；<非正式>聚会；<古>事情Do we look like it?土壤温度日变化Doppler line broadening多普勒谱线致宽doping and modification掺杂和改性Do you need a taxi?敌人的佯攻dosis-mortality curve致死剂量曲线Do he need a drink?补体转向do everything she could竭尽全力Do you have a disk?他们所需要的是娱乐。Doppler bloodflow meter多普勒血流计Do things perfunctorily敷衍了事