英语词汇“We never know the worth of till the well is dry.”的读音、翻译、释义、用法及例句-智慧网

词汇	We never know the worth of till the well is dry.
释义	We never know the worth of till the well is dry.We never know the worth of till the well is dry.st.1.■失去了才知道可贵.
随便看	low velocity low-velocity beam scanning camera tube low velocity beam scanning image pickup tube low velocity beam scanning storage tube low-velocity camera tube low-velocity CR tube low-velocity drop low-velocity electron low-velocity electron beam low velocity electrostatic current meter low-velocity gun low-velocity layer low velocity layer low-velocity neutron low-velocity pick-up tube low-velocity scanning low velocity scanning low-velocity star low-velocity tube low velocity zone low video indication low virulent strain low viscosity low viscosity fuel oil low-viscosity layer

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