| 单词 | pietra dura |
| 释义 | pietra dura /pyāˈtrə dooˈrə/nounInlaid mosaic work with hard stones, such as jasper, agate, etc, or, strictly, with one type of stone only ORIGIN: Ital, hard stone pietre dure /pyāˈtre dŭˈre/ plural noun (used as sing) this type of (usu relief) mosaic work done with a variety of semi-precious stones |
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