weld tuffs 熔结凝灰岩
feeds tuffs 饲料原料
volcanic tuffs 火山凝灰岩
Tuffs University 塔夫斯大学
ore source bed of tuffs 凝灰岩类矿源层
·2,447,543篇论文数据，部分数据来源于NoteExpress
N a rock formed by the fusing together on the ground of small rock fragments (less than 2 mm across) ejected from a volcano 凝灰岩
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争吵边这些染成凝灰岩色的小胡子。
The volcaniclastic rocks can be seen as fused lumps, fused breccias and fused tuffs.
火山碎屑岩可见熔集块岩、熔角砾岩和熔结凝灰岩。
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。
应用推荐