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English definition of “roll (sth) over sth”

roll (sth) over sth

phrasal verb with roll     /rəʊl/ US  /roʊl/ verb
If you roll over something on a computer screen , you move the mouse over an active place so that you can see information that is hidden under it: If you roll your mouse over a word, its definition will appear .Operating computers
(Definition of roll (sth) over sth from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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