sum

• 名词，指两个或多个数字、数量或事物相加后得到的总量；也指整体的总数或全部。

A noun referring to the total amount resulting from the addition of two or more numbers, quantities, or items.

1. Total amountA1formal

   The result of adding two or more numbers together.

   总和

   • The sum of 5 and 3 is 8.
   • He calculated the total sum of the expenses.
   • The sum of all the numbers equals 100.

   同义词aggregateamountsum totaltallytotalwhole

2. A2formal

   A particular amount of money.

   金额

   • She paid a large sum for the painting.
   • The company invested a significant sum in research.
   • He received a lump sum payment from the insurance.

   同义词aggregateamountfigurequantitytotal

3. Essence or summaryB2formal

   The whole or total of something; the gist or main point.

   要旨

   • The sum of her argument was that we need more time.
   • In sum, the project was a success.
   • The sum of his experience made him an expert.

   同义词burdencorecruxdriftessencegistheartpointsubstancesum totalsummarytenortotaltotalitywhole

   反义词componentdetailelementextractpart

• 动词，表示计算两个或多个数字或数量的总和。

A verb used to indicate the act of calculating the total of two or more numbers or amounts.

1. Calculate totalA2formal

   To add numbers together to find the total amount.

   求和

   • Please sum the expenses for this month.
   • He summed the column of figures quickly.
   • The accountant summed all the invoices.

   同义词addadd upsummatetallytotaltotalize

2. SummarizeB2formal

   To give a brief summary of the main points.

   总结

   • To sum up, we need more funding.
   • She summed the discussion in a few sentences.
   • He summed his argument with a powerful conclusion.

   同义词abstractepitomizeoutlinerecapitulatesum up

   反义词detailelaborateexpand

短语动词变体sum up