| 单词 | opal |
| 释义 | opal noun[CorU] uk/ˈəʊ.pəl/us/ˈoʊ.pəl/apreciousstonewhosecolourchangeswhen thepositionof thepersonlookingat itchanges 蛋白石，猫眼石 Luis Veiga/Photodisc/GettyImages Geology: precious & semi-precious stones
Examplesofopalopal By contrast, the accumulation ofopalis strongly influenced by dissolution in the water column. From theCambridge English Corpus The light sheet travels parallel to the cylinder axis, strikes a 3-10 cm length of the meniscus, and is reflected onto a plate ofopalglass. From theCambridge English Corpus Opalis my friend, but she really isn't my friend. From theCambridge English Corpus Opalalerts us to another attitude. From theCambridge English Corpus Small quantities of amethyst, peridot, and blackopalare also produced. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.Contrarily, "opalescence" is correctly applied to the milky, turbid appearance of common or "potch"opal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Wealthy women wore jewels such as emeralds, aquamarine,opal, and pearls as earrings, necklaces, rings and sometimes sewn onto their shoes and clothing. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Gems were also mined, includingopaland emerald. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Mining is focused on non-metallic minerals with opals and kaolin the most important products. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The clock dials are set in an iron frame 23ft m in diameter, supporting 312 pieces ofopalglass, rather like a stained-glass window. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The cap takes a high polish and acts as a protective layer for theopal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Nonsense mutations that created this premature stop codon were later called "opalmutations" or "umber mutations". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Hereopalis found as a kernel in small concretions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The majority of silica cements are composed of quartz but can include, chert,opal, feldspars and zeolites. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Opalis another mineraloid because of its non-crystalline nature. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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