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同义词: tufa
以上来源于: WordNet
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
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tufa
Welded tuff is commonly rhyolitic in composition.
焊接凝灰岩在组成上通常为流纹岩。
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The Lubaka tuff does not contain minerals that can be dated radiometrically.
路贝卡凝灰岩并不包含能通过放射性来确定年代的矿物质。
The sedimentary rocks are graywacke, siltstone, tuff andpellitie, etc.
沉积岩有杂砂岩、粉砂岩、凝灰岩、泥质岩等。
Tuff is made of ash from the explosions of the Jemez volcano.
VOA: special.2010.07.05
The canyon walls are made of a soft rock called tuff.
You will quickly discover what the locals have known for centuries: the tuff rock keeps rooms cool in summer and warm in winter.
BBC: Turkey��s land of fairy chimneys
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