亚洲网紅露点

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vitrain

[ vi-treyn ]

noun

  1. the material of which the friable, vitreous layers in banded bituminous coal are composed.

vitrain

/ 藞惫瑟迟谤别瑟苍 /

noun

  1. a type of coal occurring as horizontal glassy bands of a nonsoiling friable material
鈥淐ollins English Dictionary 鈥 Complete & Unabridged鈥 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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亚洲网紅露点 History and Origins

Origin of vitrain1

1915鈥20; < Latin vitr ( um ) glass + -ain, as in fusain
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亚洲网紅露点 History and Origins

Origin of vitrain1

C20: from Latin vitrum glass + -ain, as in fusain

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Vit贸ria de Conquistavitrectomy

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