单词	multifocal
释义	multifocal /mʌltɪˈfəʊkl / adjective chiefly Medicine & Optics Having more than one focus.The lesion appeared multifocal, with foci extending into the cortex and upper pole.... This option entails wearing a bifocal or multifocal contact lens in one eye and a single-vision lens in the other eye. Two and a half months later, a computed tomographic scan showed multifocal nodules with ill-defined margins in both lungs.
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