单词	pentagon
释义	pentagonpentagon /ˈpɛntəˌgɑn/ noun [countable] math, geometry a flat shape with five sides—pentagonal /pɛnˈtægənl/ adjective
随便看	ignoramus ignorance ignorant ignore iguana Iguaçu Falls IIRC IL il- ileum ILGWU ilk I'll ill ill-advised ill-advisedly ill-conceived ill-considered ill-defined illegal illegal alien illegality illegally illegibility illegible

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