词汇	need level
释义	need level 需要层次
随便看	different sized different-sized original different size-group sediment different size method different size of autodrinker different sizes different slope different smoothing variables Different social strata Different societies have different manners Different soil different soil amounts different soil conditions different soil erosion degree different soil-forming processes different soil moisture different soils different soil surfaces different soil type different soil types different solids different solutions different solvent extracts different solvents different source