sum
🇬🇧/sʌm/ 🇺🇸/səm/📚 5844 110 3四级六级考研托福In mathematics, the sum of two or more numbers is the number that is obtained when they are added together. (数字的) 和
noun [抽象名词]金额，款项；算术，简单计算；总数，总和；全部，一切（尤指数量不大）；<英>计算失误；<英>计算费用
Let x be the sum of a and b.
verb [vi. 不及物动词]概括，总结；求…的和，计算…的总数
I can't do this sum.
- sum 出现在下面的课文中
- Lesson 21 Mad or not? sum 名词: 量
- Lesson 45 A clear conscience
单词造句:
量、和(加法)
a sum of + 不可数名词 一笔……
a large sum of 大笔的…… (large 指数量的大)
- a large sum of money 一大笔钱