1
be made of limestone
The ancient temple is made of limestone.
这座古庙是由石灰岩建造的。
石灰岩；石灰石
limestones — plural of limestone
先理解核心含义，再看它在真实句子里的用法。
石灰岩；石灰石
A sedimentary rock composed mainly of calcium carbonate, formed from the remains of marine organisms.
The ancient temple is made of limestone.
这座古庙是由石灰岩建造的。
一种储量丰富的岩石,由海洋和淡水沉积物构成,主要含方解石(CaCO3),有晶质和非晶质等多种形态。
An abundant rock of marine and freshwater sediments; primarily composed of calcite (CaCO3); and occurring in a variety of forms, both crystalline and amorphous.
一种主要由钙组成的沉积岩,由海洋动物遗骸沉积而成。
a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
Limestone is widely used as a building material because of its durability.
石灰岩因其耐久性而被广泛用作建筑材料。
The ancient pyramids were constructed from massive blocks of limestone.
古老的金字塔是用巨大的石灰岩块建造的。
Geologists study the different limestones found in this region to understand its geological history.
地质学家研究该地区发现的各种石灰岩，以了解其地质历史。
The ancient temple is made of limestone.
这座古庙是由石灰岩建造的。
They quarry limestone for construction purposes.
他们为建筑目的开采石灰岩。
石灰岩常形成独特的喀斯特地貌，如洞穴和溶洞。
The limestone cave is a popular tourist attraction.
这个石灰岩洞穴是一个受欢迎的旅游景点。
Not this
There are many limestones in this region.
Use this
There is a lot of limestone in this region.
limestone 作为不可数物质名词，不应使用复数形式，应用不可数名词搭配。
Not this
I found a limestone on the beach.
Use this
I found a piece of limestone on the beach.
limestone 是物质名词，不可数，不能直接与不定冠词 a 连用，应使用 a piece of 等量词结构。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
石灰岩洞穴
The explorers discovered a vast limestone cave system.
探险者发现了一个巨大的石灰岩洞穴系统。
石灰岩采石场
The limestone quarry supplies raw materials for cement production.
这座石灰岩采石场为水泥生产提供原材料。
石灰岩地层
The region is known for its unique limestone formations.
该地区以其独特的石灰岩地层而闻名。
石灰岩建筑
Many ancient temples were constructed from limestone blocks.
许多古庙是用石灰岩块建造的。
石灰岩岩面
The limestone pavement was shaped by glacial erosion.
这片石灰岩岩面是由冰川侵蚀形成的。
石灰岩矿床
The area has extensive limestone deposits used for agriculture.
该地区有大量用于农业的石灰岩矿床。
狡猾的律师（尤指善于钻法律空子者）
Watch out for that limestone lawyer; he'll twist the law any way he wants.
小心那个狡猾的律师，他会随心所欲地曲解法律。
确定不变，板上钉钉
The schedule isn't cast in limestone; we can still adjust it.
这个时间表不是固定不变的，我们还可以调整。
Use limestones naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“lime”（石灰）和“stone”（石头）组成，由海洋生物遗骸沉积而成。
neutral
通常为不可数名词，指不同种类时可数。
Dictionary facts from ECDICT, WIKTIONARY.