单词	calc-tufa
释义	calc-tufa noun calc-tu·​fa ˈkalk¦tüfə variants or calc-tuff -ˌtəf, -üf plural -s : calcareous tufa compare travertine, tufa Word History Etymology German kalk + English tufa or tuff
随便看	slugged slugged (down) slugged down slugger sluggers slugging slugging (down) slugging average slugging down slugging match slugging percentage sluggish sluggisher sluggishest sluggishlier sluggishliest sluggishly sluggishness sluggishnesses slughorn slughorns sluglike slugline slugs slugs (down)

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