“onyx opal”的概念、定义、翻译、参考文献-科学参考

单词	onyx opal
释义	onyx opal [`än·iks `ō·pǝl] ^MINERALOGY Common opal with straight, parallel markings.
随便看	ring micrometer ring modulator Ring Nebula ring network ring of operators ring-oil ring plain ring power transmission line ring road ring-roller mill ring-rolling ring rot rings and brushes ring shift ring sight ring silicate rings of Saturn ring spinner ring spot ring stress ring structure ring syncline ring system ringtail ring test

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