单词	pentagon
释义	pentagonpentagon /ˈpɛntəˌgɑn/ noun [countable] math, geometry a flat shape with five sides—pentagonal /pɛnˈtægənl/ adjective
随便看	ocular oculist OD odalisque odd oddball Odd Fellows oddity odd jobs odd lot oddly oddments oddness odds odds and ends oddsmaker odds-on ode Odets, Clifford Odin odious odiously odium odometer odontologist

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