名词 sum:

1. a quantity of money

2. a quantity obtained by the addition of a group of numbers

3. the final aggregate

4. the choicest or most essential or most vital part of some idea or experience

5. the whole amount

6. a set containing all and only the members of two or more given sets

SUMTn.序贯无约束极小化方法sumn.金额；总数；要点v.概括；总结；归纳；总计sum of products乘积和sum of subspace和子空间summing element加法元件Sumner's method偶然得到一本书Sumida Tetsushi隅田哲司(1925-),日本人,教育家。sum of seguence数列求和summa cum laudeadj.享有最高荣誉的adv.享有最高荣誉地sumach seed oil漆籽油summing amplifer加法器求和放大器Sumner's reagentn.斯图尔

1. She quickly summed him up.
   她很快就看清了他的性格。
2. He summed her up as a fraud.
   他很快看出她是个骗子。
3. She summed up the situation in a few choice phrases.
   她言简意赅地总结了情况。
4. I summed her up as a competent manager.
   我认为她是个很能干的经理。