| 释义 | 
		crumblecrumble /ˈkrʌmbəl/ ●○○ verb ETYMOLOGYcrumble1Origin:  Old English gecrymian, from  cruma; ➔ CRUMB   VERB TABLEcrumble |
 | Present | I, you, we, they | crumble |   | he, she, it | crumbles |  | Past | I, you, he, she, it, we, they | crumbled |  | Present perfect | I, you, we, they | have crumbled |   | he, she, it | has crumbled |  | Past perfect | I, you, he, she, it, we, they | had crumbled |  | Future | I, you, he, she, it, we, they | will crumble |  | Future perfect | I, you, he, she, it, we, they | will have crumbled |  
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 | Present | I | am crumbling |   | he, she, it | is crumbling |   | you, we, they | are crumbling |  | Past | I, he, she, it | was crumbling |   | you, we, they | were crumbling |  | Present perfect | I, you, we, they | have been crumbling |   | he, she, it | has been crumbling |  | Past perfect | I, you, he, she, it, we, they | had been crumbling |  | Future | I, you, he, she, it, we, they | will be crumbling |  | Future perfect | I, you, he, she, it, we, they | will have been crumbling |  
    1[intransitive, transitive] to break apart into little pieces, or make something do this:  Crumble the cheese and set aside. The leaves crumbled in my fingers.2[intransitive] if something made of rock or stone is crumbling, small pieces are breaking off it SYN crumble away:  Rangoon’s old buildings are crumbling from neglect.3[intransitive] to lose power, become weak, or fail:  They are worried that American society is crumbling.  |