英语词汇pole-vault的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	pole-vault
词根词缀	Online Etymology Dictionary pole-vault n. 1877, from pole, n.1 + vault, n.2. As a verb from 1892 (implied in pole-vaulting). Related: Pole-vaulted.
随便看	optic optical optician optico- -opticon optics optim optim- optimal optimism optimist optimistic optimization optimize optimum option optional opto- optometrist optometry opt, opto opulen- opulence opulent opus

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