He started with a clean " slate" , took nothing for " granite" , got ready for a " feldsparing" match, utterly " pumiced" the competition.

他从一块干净的“石片板”开始，认为没什么是理所当“花岗岩”的，他为一场“长石”做准备并完全“磨掉”。

These are innumerable pieces of pumice rock as recorded from a boat, what's being called a raft of floating pumice is the size of the New York City borough of Manhattan.

这是从一艘船上记录下来的数不清的浮石碎片，所谓的漂浮浮石筏大小相当于纽约市曼哈顿区。

Unsanforized jeans were thrown into industrial washers with pumice stones and tumbled until the denim was sufficiently abraded.

未打磨过的牛仔裤用浮石扔进工业洗衣机里，不断翻滚，直到粗斜纹棉布充分磨损。

Coincidentally, one of the ingredients of the Pantheon's concrete dome is pumice, another volcanic rock.

巧合的是，万神殿混凝土圆顶的成分一是浮石，另一种火山岩。

Now, one of the reasons why Pompeii is so well preserved is that when the eruption of Vesuvius took place, it was covered by this pumice, lightweight, solidified lava.

庞贝保存得如此完好，原因一是火山喷发时，它被这种轻质的、固化的火山岩覆盖。

But the base of these high walls consisted of broken soil over which there lay picturesque piles of volcanic blocks and enormous pumice stones.

但悬崖的下边，地势崎岖不平，上面累积得很好看，堆着许多火山喷出的大块石头和巨大的火山浮石。

Also found in the Grotta dei Moscerini were pumice stones from volcanic eruptions that had occurred to the south of the site.

在Grotta dei Mosserini洞中还发现一些浮石，它们是该地南边火山喷发的产物。

He wipes and scrapes, attacks the surface with a pumice stone, spits into the paint and gives it a good smoosh.

他大力的刮擦，并且还用浮石处理画的表面，并且吐上唾沫使更为紧实。

The ground was covered with slag, lava flows, and pumice stones.

火山的烧石，喷出的火石，浮石的石屑遍布地上。

Finally, he would polish the statue using abrasive pumice stones, and then leather, until it is smooth and glossy.

最后，他会用磨砂浮石打磨雕像，然后用皮革打磨，直到雕像变得光滑平整。

Summer is coming so I need a pumice stone

夏天要到，所以我需要一块浮石。

During the burst, hot ash and huge pieces of volcanic rock, called pumice, fell on the area.

爆炸期间，炽热的灰烬和巨大的火山岩块-称为浮石，落在该地区。

The pumice stones did little damage.

浮石几乎没有造成什么破坏。

The stones were light. They were pumice stones, consisting mostly of air bubbles.

这是浮石，主要由气泡构成。

All over Pompeii, people lay down on beds of pumice stones, overwhelmed by the gas, and death came quietly to them.

在庞贝的各个角落，人们气体中毒后躺在浮石堆上，静静地死去。

So has pumice – a lightweight stone formed by volcanic activity.

浮石也是如此——一种由火山活动形成的轻质石头。

A pumice rock is very light and has holes like a sponge.

浮石很轻，有像海绵一样的孔。

Sometimes pumice can be purchased, like at landscaping stores, where it's used in people's gardens.

有时可以在园林店购买到浮石，人们会把它用在花园里。

Here I actually have a tub of coarse pumice.

实际上，我这里有一桶粗磨的浮石粉。

These eruptions spew more than 1,000 cubic kilometers of volcanic ash, pumice, and  other pyroclastic materials into the atmosphere, usually with catastrophic consequences for  life and Earth's climate.

这些火山喷发向大气中喷射超过 1,000 立方公里的火山灰、浮石和其他火山碎屑物质，通常会给生命和地球气候带来灾难性后果。