doubadj.加倍的n.加倍(折叠;后退)
dov.做;干n.注意事项;<非正式>聚会;<古>事情
Doppler radar warning多普勒雷达告警
Do not hit that stump不要踢树桩
DOA estimate accuracy测向精度
dosis lethalis maxima(拉)全数致死量
Do as you are told.照我吩咐的做!
Do you keep pets?
Do you have bite?
Do they complain?
do sth. like a shot做得很快
do one's best ability