单词	oban
释义	oban noun ˈōˌban variants or obang -aŋ plural -s : a large oval Japanese gold coin of the 16th to 19th centuries that varied in size and weight Word History Etymology Japanese ōban, from ō- large + ban size
随便看	aceto-orcein acetoacetanilide acetoacetic acid acetoacetic ester acetoacetyl acetoarsenite acetobutyrate acetocarmine acetochlor acetogen acetogenesis acetogenic acetogens acetoglyceride acetokinase acetol acetolyze acetometry acetonaemia acetonate acetone acetone chloroform acetone cyanohydrin acetone number acetone oil

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