火山岩

/ huǒ shān yán /

1
[岩] volcanic rock
... rock slope岩石边坡；石坡；岩石坡；石流坡 volcanic rock火山岩；火成岩；火山碎屑岩 hard rock重摇滚；剧烈摇滚乐；硬质岩石 ...
2
volcanic rock
火山岩 volcanic rock

短语

1
全风化火山岩层
completely weathered volcanic rock ; completely decomposed volcanic rock
2
高度风化火山岩层
highly weathered volcanic rock ; highly decomposed volcanic rock
3
风化火山岩
decomposed volcanic rock

1
人们普遍认为，具有如此高镁含量的火山岩是不可能存在的。
It was generally accepted that volcanic rocks with such high levels of magnesium could not exist.
2
这一样本包括曾经柔软的的硬化沉积物的卵石、深海淤泥以及石膏颗粒和火山岩碎片。
The sample consisted of pebbles of hardened sediment that had once been soft, deep-sea mud, as well as granules of gypsum and fragments of volcanic rock.
3
他们建造了成千上万的圆形石质防风林并在其中种植花草，还用破碎的火山岩来保持土壤湿润。
They built thousands of circular stone windbreaks and gardened inside them, and used broken volcanic rocks to keep the soil moist.

火山岩
火山岩又称喷出岩（Effusive rock），属于岩浆岩（火成岩）的一类，是岩浆经火山口喷出到地表后冷凝而成的喷出岩。火山岩是岩浆喷出地表，在大气圈和水圈中冷却结晶形成的，当岩浆沿裂隙喷发时，火山岩形态一般与地表形态比较协调，呈被状或层状。

点击反馈