释义 |
tuffsCOCA¹³⁰⁸⁸⁷BNC¹⁰⁴⁵⁸⁴⁺⁶ 基本例句 n.凝灰岩;a.第一流的原型tuff的三单 More and more young people were sporting tuffs of hair on their lips. 越来越多的年轻人喜欢炫耀嘴角边这些染成凝灰岩色的小胡子。 ebigear The dates of these tuffs proved indistinguishable—4.4 million years for both. This meant the volcanic eruptions had captured between them a focused lens of time— perhaps as little as a thousand years. 上下两层凝灰岩的生成年代无法区别,它们都诞生于440万年前,这意味着短时间内的两次火山喷发——也许只间隔了短短的一千年——将化石俘获在其间。 yeeyan The deposit occurs in quartz keratophyric breccia and tuffs formed in intermittent period, and controlled by volcanic depression and synchronous fractures. 矿床产于近喷发间歇期的石英角斑质角砾凝灰岩中,受火山洼地和同生断裂控制。 chemyq |