单词	columbium
释义	co·lum·bi·um (kə-lŭmbē-əm) n. Niobium. No longer in scientific use. [After COLUMBIA2.]
随便看	air dam airdate air door airdrome airdrop air-dry Airedale terrier airfare airfield airflow airfoil air force airframe airfreight air gas airglow air gun airhead airhead air hole air hunger airily airiness airing air kiss

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。