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	custrel custrels custumal custumals cut cut (across) cut (down) cut (someone) dead cut (someone) to the quick cut a caper cut a check cut a dash cut a deal cut a figure cut a rug cut a tooth cut across cut and fill cut and run cut and thrust cut back cut bone cut both ways cut capers cut card

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