单词
limestone
读音
ˈlaɪmstoʊn
美式
英式
词根
无
释义
n. [岩] 石灰岩 [ 复数 limestones ]
例句
The area is being quarried for limestone.
这地方正在开采石灰石。
The large limestone caves are also quarried for cement.
这些大石灰岩洞也用来开采水泥原料。
The basic ingredients are limestone and clay in the proportion 2:1.
基本成分是石灰石和黏土，比例为2:1。
The area is being quarried for limestone.
这地方正在开采石灰石。
The large limestone caves are also quarried for cement.
这些大石灰岩洞也用来开采水泥原料。
The basic ingredients are limestone and clay in the proportion 2:1.
基本成分是石灰石和黏土，比例为2:1。
强化记忆
无
看视频学发音
Curvy bodies have been around for millennia.The limestone figurine,known as the Venus of Willendorf,
to take the sacred ashes -- well, they're not ashes,they're burnt limestone --to empower the coca leaf, to change
like rust or pyrite, like fool's gold,or carminites, like limestone.So what we have are microbes that are really, really slow, like rocks,
We use the same equipment and raw materials,but we use less limestone,and we fire the kiln at a lower temperature,
During curing, the chemical reaction with our cement breaks apart the CO2,capturing the carbon to make limestone,and that limestone's used to bind the concrete together.
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