单词	质量估计
释义	质量估计estimation, mass质量估计estimation， mass
随便看	its itsa it's a breeze. it's a go! it's a good job it's a good thing ... it's a great life . it's a great life (if you don't weaken). it's a great life if you don't weaken . it's a living. it's all dickey with someone. it's all go it's all one to me it's all right it's all up with it's all very away it's all very well. it's all very well… it's a lucky thing ... it's an a dirty bird that fouls its own nest. it's an ill bird that fouls its own nest. it's an ill wind that blows no good . it's an ill wind that blows no good (或 nobody any good). it's an ill wind that blows no nobody any good . it's an ill (或a dirty) bird that fouls its own nest.