There are four principal types of limestones.

石灰石有四种主要类型。

Limestone has a strange property that it dissolves in rain water.

石灰石有一个奇怪的特性，能溶解于雨水。

These were large donut-shaped disks made out of limestone.

这些巨大的环状圆盘是由石灰石制成的。

The preheating tower is where limestone, clays and other additives are dropped.

预热塔是石灰石、其他添加剂投放的地方。

Round about, piles of limestone glistened in all the colours of the rainbow.

周围是一堆堆石灰石，像彩虹一样闪闪发光。

He explained the process, which involves limestone.

他解释了这个涉及石灰石的过程。

It is made by combining limestone, a type of rock, and vinegar.

它是由石灰石(一种岩石)醋混合制成的。

Making cement involves burning limestone at 1500 degrees Celsius.

制造水泥需要在一千五百摄氏度的温度下燃烧石灰石。

White came from clays, limestone, or gypsum.

白色来自、石灰石或石膏。

Magnificent structures typically made of limestone and scattered all across Greece and its islands.

些雄伟的结构典型地用石灰石做的而分散在整个希腊它的一下岛屿上。

Lime is a powdery substance that comes from heating limestone.

石灰是加热石灰石产生的粉末状物质。

Round about, piles of limestone glistened in all the colours of rainbow.

与洞顶悬挂下来的钟乳石相接。周围是一堆堆石灰石，像彩虹一样闪闪发光。

Dee broke off a piece of limestone and thumbed it into the stream.

迪弄碎一块石灰石，然后用拇指将它弹入水中。

But so far, nothing is as abundant and commercially viable as the limestone-based stuff.

但到目前为止，没有什么比石灰石原料更丰富、更具有商业可行性。

Heirloom heats crushed limestone, which releases the carbon dioxide it contains.

传家宝加热粉碎的石灰石，释放出它所含的二氧化碳。

Sekhemkhett's pyramid was basically just a fancier mastaba made out of limestone instead of mud bricks.

赛凯姆凯特的金字塔基本上只是一个用石灰石而不是泥砖建造的华丽的斜纹坟墓。

It stands 66 feet tall and it's thought to be carved from a single piece of limestone.

它高66英尺，据说是由一整块石灰石雕刻而成的。

Marble would be very strange to find in space, and not only because it starts off as limestone.

在太空中发现大理石是非常奇怪的，不仅因为它最初是石灰石。

To make concrete, you dig up limestone from the ground and then you run that through a kiln.

要制造混凝，你需要从地面上挖石灰石，然后将它放入窑中。

The coral is ground up and all of the edible parts are digested until only the limestone remains.

珊瑚被磨碎，然后可食用的部分都被消化，直到只剩下石灰石。