单词	ammonium carbamate
释义	ammonium carbamate noun : a salt NH2COONH4 found in commercial ammonium carbonate and formed as an intermediate in the manufacture of urea by reaction of ammonia and carbon dioxide Word History First Known Use 1869, in the meaning defined above
随便看	saints saints-errant Saintsbury saintship saintships Saionji Saipan saipanese saipans saiques sair saired sairing sairly sairs sairve sairy sais Saitama Saite saith saithe saithes saiths saitic

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