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TOEFL IELTS BNC: 4543 COCA: 6113

activate

verb
 
/ˈæktɪveɪt/
/ˈæktɪveɪt/
Verb Forms
present simple I / you / we / they activate
/ˈæktɪveɪt/
/ˈæktɪveɪt/
he / she / it activates
/ˈæktɪveɪts/
/ˈæktɪveɪts/
past simple activated
/ˈæktɪveɪtɪd/
/ˈæktɪveɪtɪd/
past participle activated
/ˈæktɪveɪtɪd/
/ˈæktɪveɪtɪd/
-ing form activating
/ˈæktɪveɪtɪŋ/
/ˈæktɪveɪtɪŋ/
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  1. activate something to make something such as a device or chemical process start working使活动；激活；使活化
    • The burglar alarm is activated by movement.这防盗警报器一动就会响。
    • The gene is activated by a specific protein.这种基因由一种特异性蛋白激活。
    see also voice-activatedTopics Engineeringb2, Physics and chemistryb2
    Oxford Collocations DictionaryActivate is used with these nouns as the subject:
    • switch
    Activate is used with these nouns as the object:
    • alarm
    • mechanism
    • muscle
    • …
    See full entry

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