“pitch opal”的概念、定义、翻译、参考文献-科学参考

单词	pitch opal
释义	pitch opal [`pich ´ō·pǝl] ^MINERALOGY A yellowish to brownish inferior quality of common opal displaying a luster resembling that of pitch.
随便看	roofing nail roofing putty roofing slate roof jack roof pendant roof stringer roof truss rookery room room acoustics room-and-pillar room conveyor room crosscut room noise room power rooseveltite rooster rooster tail root root canal root cap root cast root circle root clay root component

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