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单词 add up
释义

Collins Concise English Dictionary © HarperCollins Publishers::
add up vb (adverb)
  1. to find the sum (of)
  2. (intransitive) to result in a correct total
  3. (intransitive) informal to make sense
  4. (intransitive) followed by to: to amount to
WordReference Random House Learner's Dictionary of American English © 2024
add /æd/USA pronunciation   v. 
  1. to unite or join so as to bring about an increase:[+ object + to + object]We added a few more students to the class.
  2. Mathematics to find the sum of:[+ object]We added the four numbers together.
  3. to perform arithmetic addition:[no object]She could add almost as fast as a calculator.
  4. [+ (that) clause] to say or write further: I'd like to add that I'm pleased to be here tonight.
  5. to be an addition:[+ to + object]His illness added to the family's troubles.
  6. Idioms add up,
    • to amount to the correct total: [no object]These figures don't add up right.[+ up + object]Add up the numbers.[ + obj + up]:Add the numbers up.
    • [no obj] to seem reasonable or consistent:The facts in that mystery just didn't add up.
  7. add up to, [ + up + to + obj] to amount to:His ideas didn't add up to anything important.
add•a•ble, add•i•ble, adj. 

WordReference Random House Unabridged Dictionary of American English © 2024
add  (ad),USA pronunciation v.t. 
  1. to unite or join so as to increase the number, quantity, size, or importance:to add two cups of sugar;to add a postscript to her letter;to add insult to injury.
  2. Mathematicsto find the sum of (often fol. by up):Add this column of figures. Add up the grocery bills.
  3. to say or write further.
  4. to include (usually fol. by in):Don't forget to add in the tip.

v.i. 
  1. Mathematicsto perform the arithmetic operation of addition:children learning to add and subtract.
  2. to be or serve as an addition (usually fol. by to):His illness added to the family's troubles.
  3. add up:
    • to make the desired, expected, or correct total:These figures don't add up right.
    • to seem reasonable or consistent;
      be in harmony or accord:Some aspects of the story didn't add up.
  4. add up to, to signify;
    indicate:The evidence adds up to a case of murder.

n. 
  1. Journalismcopy added to a completed story.
  • Latin addere, equivalent. to ad- ad- + -dere to put (combining form; see do1)
  • Middle English adden 1325–75
adda•ble, addi•ble, adj. 
added•ly, adv. 
    • 1.See corresponding entry in Unabridged affix, append, attach, adjoin.
    • 2.See corresponding entry in Unabridged total, sum.

ADD, 
  1. Psychologyattention deficit disorder.

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更新时间:2025/7/23 18:51:13