| 单词 | travertine |
| 释义 | Word Frequency travertine or travertin (ˈtrævətɪn) noun a porous rock consisting of calcium carbonate, used for building Also called: calc-sinterWord origin C18: from Italian travertino (influenced by tra- trans-), from Latin lapis Tīburtīnus Tiburtine stone, from Tīburs the district around Tibur (now Tivoli) |
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