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	tick away/by/past tick by tick clover tick farcy tick fever tick off tick over tick past tick pyemia tick trefoil tick-borne tick-tack-toe tickbean tickbird tickbirds tickeater ticked ticked (off) ticked away ticked by ticked off ticked over ticked past ticken tickens

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