medium

a.中等的 n.媒介物；中间，适中

medically, medicament, Medicare, medicated, medication, medicinal, medicine, medicine chest, medicine-man, medico, medieval, medieval (also mediaeval), mediocre, mediocrity, meditate, meditation, meditative, meditatively, Mediterranean, Mediterranean Sea, medium wave (abbr 缩写 MW), medium-sized, medlar, medley, Medusa, meek, meekly, meekness, meerschaum, meet, meet up with, meet with, meeting, meeting-house, meeting-place, mega-, megacycle, megadeath, megahertz, megalith,