1·As they approached the shore, a lanky, suntanned, salt-encrusted 26-year-old stepped out with a splash and clambered up onto a jumble of broken basalt.
当他们到达海岸，一个瘦长的、黝黑的、身上沾著些许海盐的26岁青年溅踏着水面，并爬上一堆破碎的玄武岩。
2·Most crystalline rocks are much more solid; a common exception is basalt, a form of solidified volcanic lava, which is sometimes full of tiny bubbles that make it very porous.
大部分结晶岩石都非常坚硬，但也有例外，最常见的就是玄武岩，它是一种火山岩浆凝固后的形态，内部充满了微小的气泡，因此也具有多孔渗水的特点。
3·Most of Iceland's rock is basalt, a type that is rich in both calcium and magnesium.
在冰岛，绝大多数的岩石都是玄武岩，这种岩石含有丰富的钙元素和镁元素。
4·The actual chemical make-up of rocks is complex, so the conventions of petrological analysis pretend that these metals are present in basalt as their oxides.
然而构成这种岩石的化学元素十分的复杂，因此根据常规的岩石分析得出出现在玄武岩里的金属都是其氧化产物。
5·In the case of Vesta, telescopes have spied evidence for the eruption of lava (basalt) on its surface.
就灶神星而言，望远镜曾发现过它表面喷发过玄武岩岩浆的证据。