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	toppling toppo toprope tops tops off tops out tops up tops'l topsail topsail schooner topsails topset beds topset onion topside topside-turvy topsider topsiders topsides topsidest topsman topsmen topsoil topsoiled topsoiling topsoils

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