tot up (totting,totted,tots)

• 1.  

  PHRASAL VERB（动词词组） To tot up a total or a list of numbers means to add up several numbers in order to reach a total. 计算总和 [英国英语]

  例：

  I finally sat down to tot up the full extent of my debt.

  我终于坐下来算了我的债务总和。