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multiply

verb
 
🔊/ˈmʌltɪplaɪ/
🔊/ˈmʌltɪplaɪ/
Verb Forms
present simple I / you / we / they multiply
🔊/ˈmʌltɪplaɪ/
🔊/ˈmʌltɪplaɪ/
he / she / it multiplies
🔊/ˈmʌltɪplaɪz/
🔊/ˈmʌltɪplaɪz/
past simple multiplied
🔊/ˈmʌltɪplaɪd/
🔊/ˈmʌltɪplaɪd/
past participle multiplied
🔊/ˈmʌltɪplaɪd/
🔊/ˈmʌltɪplaɪd/
-ing form multiplying
🔊/ˈmʌltɪplaɪɪŋ/
🔊/ˈmʌltɪplaɪɪŋ/
jump to other results
  1.  
     [intransitive, transitive] to add a number to itself a particular number of times乘；乘以
    • The children are already learning to multiply and divide.孩子们已经开始学习乘法和除法了。🔊🔊
    • multiply A by B 2 multiplied by 4 is/equals/makes 8 (= 2 × 4  =  8).2 乘以 4 等于 8。
    • Multiply the length by the width.将长度乘以宽度。
    • multiply A and B (together) Multiply 2 and 6 together and you get 12.2 和 6 相乘得 12。🔊🔊
    • multiply something up If you are cooking for more people, just multiply up the quantities.如果你给更多的人做饭，只要成倍加量即可。
    Extra Examples
    • The results were multiplied by 1 000.结果乘以1000。
    • Multiply these two figures together.把这两个数字相乘。
    • Your pension is a percentage of final salary multiplied by length of service.您的退休金是最终薪金乘以服务年限的百分比。
    • The momentum of an object is defined as its mass multiplied by its velocity.物体的动量定义为其质量乘以速度。
    Topics Maths and measurementb2
    Oxford Collocations Dictionaryadverb
    • endlessly
    • indefinitely
    • greatly
    • …
    preposition
    • by
    See full entry
  2.  
     [intransitive, transitive] to increase or make something increase very much in number or amount成倍增加；迅速增加
    • Our problems have multiplied since last year.自去年以来，我们的问题成倍增加。🔊🔊
    • multiply something Cigarette smoking multiplies the risk of cancer.抽烟会大大增加得癌症的风险。🔊🔊
    Extra Examples
    • The film was a great success, with screenings multiplying week by week.这部电影取得了巨大的成功，放映每周都在增加。
    • Just imagine all the problems we've been having, multiplied a thousandfold.设想一下我们遇到的问题如果增加1,000 倍会怎样。
    • Her bitterness was multiplied by his refusal to apologize.她的苦恼被他拒绝道歉倍增。
    Topics Change, cause and effectb2
    Oxford Collocations Dictionaryadverb
    • endlessly
    • indefinitely
    • greatly
    • …
    preposition
    • by
    See full entry
  3. [intransitive, transitive] (biology生物) to produce young animals, bacteria, etc. in large numbers（使）繁殖，增殖
    • Rabbits multiply rapidly.兔子繁殖迅速。🔊🔊
    • Protected reserves help tigers survive and multiply.受保护的储备可以帮助老虎生存和繁殖。
    • microorganisms that multiply rapidly繁殖迅速的微生物
    • multiply something It is possible to multiply these bacteria in the laboratory.在实验室里繁殖这些细菌是可以做到的。🔊🔊
    Oxford Collocations Dictionaryadverb
    • endlessly
    • indefinitely
    • greatly
    • …
    preposition
    • by
    See full entry
    4. Word OriginMiddle English: from Old French multiplier, from Latin multiplicare.