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backbone
mastery UK /ˈbækˌbəʊn/ US /ˈbækˌboʊn/noun
card 1 of 4 · idiom meaning
What does the idiom 'to the backbone' mean?
What does the idiom 'to the backbone' mean?
card 1 of 4 · idiom meaning
What does the idiom 'to the backbone' mean?
What does the idiom 'to the backbone' mean?