adj.形容詞積極的;建設性的He thought it was a positive development in the talks
adj.形容詞確定的He was absolutely positive that his son was telling the truth
adj.形容詞正極的This piece of metal has a positive charge, the other one has a negative one
adj.形容詞積極的;有利的She made positive suggestions about his writing that helped him to improve
adj.形容詞陽性的The positive blood results showed that she had the disease
adj.形容詞樂觀的Try to be more positive about things.
adj.形容詞正數的A positive number is greater than zero.
n.名詞正片The photographer developed a positive from the negative.
adj.形容詞正像的The photographer developed a positive image from the negative.