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1·Welded tuff is commonly rhyolitic in composition.

焊接凝灰岩在组成上通常为流纹岩。

2·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。

3·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。

4·There were basalt almond-shape basalt and tuff there.

有变橄榄玄武岩、变杏仁状玄武岩、变玄武岩和凝灰岩。

5·And now I wish I could be tuff enough lest catching cold.

现在我只能祈求自己坚强一点，最好不要感冒。

6·Unfortunately, we met again at the Tuff Club traffic light.

不幸的是，我们又见面了，凝灰岩俱乐部红绿灯。

7·On the right from the lake there is a restaurant built of tuff.

在湖的右岸有一排凝灰岩建造的房子，这是一家饭馆。 。

8·The tuff problem was solved, because Mary opened her purse soon.

棘手的问题解决了，因为玛丽及时解囊。

9·The acidic tuff section owns gold element with average content of 110.

其中的酸性凝灰岩段金元素平均值110。

10·Mountain mainly by rhyolite and tuff composition, there are local granite.

山体主要由流纹岩和凝灰岩构成，局部有花岗岩。