round off
 把…刨圓;完成,使圓滿結束;四捨五入,使成整數


 round off
 四捨五入;捨入


 round off
      v 1: make round; "round the edges" [syn: round, round out]
      2: bring to a highly developed, finished, or refined state;
         "polish your social manners" [syn: polish, round, {polish
         up, brush up]
      3: express as a round number; "round off the amount" [syn: {round
         down, round out, round]