plus

正号，加号；好处；附加额英释中释na plus sign

正的；附加的英释中释adjmore than zero – used especially when talking about temperatures

加，加上英释中释prepused to show that one number or amount is added to another

1 plus one,(高尔夫球比赛中强者对弱者的)让一分，让一击

2 plus or minus,正负号；增减

3 one plus one,一加一

4 cost plus,成本加成；成本加利润

5 plus side,正侧；加侧

6 plus sign,加号

1 Daytime temperatures barely reached plus 5˚..白天的气温仅零上5度。