noun🔗Share蛋白石，猫眼石。 A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO2·nH2O."My aunt collects beautiful opals, admiring their shimmering colors despite knowing they are softer than quartz and can scratch easily. "我姑妈收藏美丽的蛋白石/猫眼石，尽管知道它们比石英软，容易被刮花，但还是喜欢它们闪烁的色彩。mineralgeologymaterialsubstancescienceChat with AIVocabulary GamePractice Reading
noun🔗Share蛋白石密码子, UGA密码子 A colloquial name used in molecular biology referring to a particular stop codon sequence, "UGA.""In genetics class, we learned that "opals," or UGA stop codons, signal the end of protein synthesis. "在遗传学课上，我们学到“蛋白石密码子”，也就是UGA终止密码子，会发出蛋白质合成结束的信号。biologybiochemistrytechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share澳泊凤蝶属的蝴蝶 Any of various lycaenid butterflies of the genus Nesolycaena."While hiking in the rainforest, the butterfly enthusiast excitedly pointed out a group of opals fluttering around a flowering bush. "当在热带雨林徒步时，那位蝴蝶爱好者兴奋地指出一群澳泊凤蝶在开花的灌木周围飞舞。animalinsectbiologynatureChat with AIVocabulary GamePractice Reading
