单词	唇齿沟
释义	唇齿沟lip furrow band
随便看	formal description techniques formal description techniques--fdt formal description techniques，fdt formal description technique，fdt formal design specification formal device handler formal difference formal-- dimethoxymethane formal; dimethoxymethane formal dinner formal discipline formal discretization error formal disoretization error formaldoxime formaldoxime--formaldehyde oxime formal dress formale formal education formal equivalence formal equivalence translation formal estimator formal evaluation formal expansion formal explanation of implementation formal fallacy