emery-board

n small strip of wood or cardboard covered in emery, used for filing the finger-nails 指甲砂锉.

embrace, embrasure, embrocation, embroider, embroidery, embroil, embryo, embryology, embryonic, emcee, emend, emendation, emerald, emerge, emergence, emergency, emergency-room, emergent, emeritus, emery, emery-paper, emetic, emigrant, emigrate, emigration, emigre, eminence, eminent, eminently, emir, emirate, emissary, emission, emit, emollient, emolument, emote, emotion, emotional, emotionally,