unsuccessfuladj.不成功的;失败的
unstableadj.不稳定的;易变的
unsteadyflow非恒定流
unsteady low[电] 不定流
Unsteady gait不稳定步态
unsteady wave不稳定波
unsteady feed不稳给料
unsteady rate不稳定产量
unsteady wind非定常风
unsteady test非定常实验
unsteady drag不稳定阻力
"her unsteady walk"
"his hand was unsteady as he poured the wine"
"an unsteady voice"
"climbing carefully up the unsteady ladder"
"an unfirm stance"