teph·ra英ˈtefrə美ˈtɛfrəAHDtĕfʹrəCOCA²⁰¹⁸⁴⁷BNC⁵⁶¹⁷⁵iWeb⁵¹⁸⁴² 基本例句 n.火山喷发碎屑¹⁰⁰ Mustafar's skies are obscured by choking black clouds of ash, smoke and tephra. 穆斯塔法的天空弥漫着令人窒息的黑云,其主要成分为灰烬、烟雾与火山灰。 starwarschina Tephra is any fragmented material produced by a volcanic eruption, be it ash or rock. 无论是灰烬还是岩石,所有因火山爆发而形成的碎片状物质都称作火山灰。 yeeyan