单词	pyrocotton
释义	pyrocotton noun py·​ro·​cotton "+ : cellulose nitrate containing about 12.6 percent nitrogen and used in smokeless powders compare pyrocellulose Word History Etymology pyr- + cotton
随便看	redefies redefine redefined redefiner redefines redefining redefinition redefinitions redefying redeliver redeliverances redelivered redeliverers redeliveries redelivering redelivers redelivery redemand redemandable redemanded redemanding redemands redemonstrated redemonstrates redemonstrating

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