positiveadj.积极的；肯定的；明确的；正面的；正数的；阳性的n.正面；正数；正片；[语]原级positive tone正型Positive ions阳离子positive item正向项目positiveationn.正化positive self积极自感positive stud正极螺桩positive norm实在法规范positive film正片positive signn.[数]正号positive work正功