Elema picked one up to show me: a handsome hunk of black basalt that had been flaked on all sides, missing only its tapered tip.

埃莱玛随手捡起一块这样的工具展示给我看：一块上好的黑色玄武岩石块，四周已经被打磨成薄片，但锥形的尖端部分已经缺失。

youdao

On all sides, toweringbookcases burgeoned with volumes. The floor was amber marble with black basalt trim, ahandsome reminder that this building had once been a palace.

琥珀色大理石地砖和地面边缘的黑色玄武岩，仿佛在提醒人们这里曾是皇宫。

youdao

This grave is surrounded with basalt stones and with blackgreen copper plates. It refers to the black volume.

墓地的周围围绕摆放着玄武岩和黑绿色的铜板。它同黑色的体块相关联。

youdao

The Giant's Causeway is made up of 40, 000 black basalt columns protruding from the sea.

UNESCO: World Heritage