词汇	validity of products
释义	validity of products 产品有效性
随便看	a common error a common eu tax base a common experience a common girl a common goal a common gold olympic medal a common happening A common language is a bridge between cultures a common-law spouse a common logistics model a common make of commodities a common measure a common multiple a common phrase A commonplace feature a commonplace in military operations a commonplace remark A commonplace remark or notion A commonplace remark or notion; a platitude a commonplace view a common problem with the heavier armors a common sailor a common saying a common scold a common-sense view