单词	向后翻跟头
释义	向后翻跟头 turn back somersaults跟头
随便看	linear differential equaiton lineardifferentialequation linear differential equation linear differential equation of first order linear differential equation of high order linear differential equations linear differential equations model linear differential equation system linear differential game linear differential logic Linear differential model linear differential operator linear differential polynomials linear differential system linear differential systems linear differential transformator linear differential transformer linear diffractiometer linear diffractometer linear diffuser linear diffusion linear diforest linear digital filter linear digitiser linear dilatation