单词	shadoof
释义	shadoof noun sha·​doof shə-ˈdüf  sha- variants or less commonly shaduf : a counterbalanced sweep used since ancient times especially in Egypt for raising water (as for irrigation) Word History Etymology Arabic shādūf First Known Use 1836, in the meaning defined above
随便看	alkide alkie alkies alkines alkiodide Alkmaar alkorans alkoxide alkoxides alkoxy alkoxyl alkoxylate alkoxylation alkoxysilane alkoxysilanes alky alkyd alkyds alkyl alkyl aryl sulfonate alkyl halide alkylamino alkylammonium alkylammoniums alkylate

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