determine the sum of
同义词：total??/??tot??/??tot up??/??sum??/??sum up??/??summate??/??tote up??/??add??/??tally??/??add up
make an addition by combining numbers
同义词：add
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。