naphthenicacid环: ring; hoop已: stop; cease; end烷: alkane甲酸: methanoic acid; formic acid环已烷: hexamethylene; thiacyclohexane下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:环已烷甲酸,即可在微信中查询翻译