单词	illinium
释义	illinium noun il·​lin·​i·​um ə̇ˈlinēəm plural -s : chemical element 61 —a name now superseded by promethium Word History Etymology New Latin, from Illinois + New Latin -ium
随便看	semicyclic semicyclically semicylinder semicylinders perigean perigean tide perigee perigees periglacial perigloea periglottis perigon perigonal perigone perigones perigonia perigonial perigonium perigoniums perigons Perigordian perigynia perigynial perigynies perigynium

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