单词	艰难维生
释义	艰难维生 barely make a living
随便看	Differential threshold algorithm differential threshold crossing distribution differential thresholdDL differential threshold light differential thresholds differential throttling equipment differential thrust differential thrust block pin differential tide correction differential time Differential Time of Arrival Differential Time Relay differential time shift panel differential timing differentialtitration differential titration differential titration method differential tolerance to pb differential tone differential tonometry differential tooth movement differentialtopology differential topology differential torque Differential Torrography