limestone

相关例句

• The rest of the cave is made of limestone.(其余的都是由石灰岩组成。)
• Most caves are formed by limestone, a carbonate rock.(大多数洞穴是由石灰岩形成的，这是一种碳酸盐岩。)
• So we have been fairly thorough in our discussion about coral reefs, which of course are prominent, oceanic features made of hard limestone skeletons produced by tiny coral animals.(我们对珊瑚礁的讨论已经相当深入了；显然，珊瑚礁具有显著的海洋特征，由小型珊瑚动物制造的石灰骨架构成。)
• These are generally fed by groundwater springs, and many issued from limestone massifs, such as the Atlas Mountains in Morocco.(它们通常由地下泉水供养，其中许多流自石灰岩山丘，如摩洛哥的阿特拉斯山脉。)
• Most limestone and sandstone aquifers are deep and extensive but may contain groundwaters that are not being recharged.(大部分的石灰岩和砂岩的蓄水层都是深而广的，但可能含有不可再生的地下水。)
• We've said that sulfuric acid dissolves limestone, right?(我们说过，硫酸可以溶解石灰石，对吗？)
• When I was researching this for a study a few years ago, I visited a couple of these typical limestone caves, and they were all very wet, you know, from streams and rivers.(几年前我做这项研究时，我探访了其中几个比较典型的洞穴，它们都很潮湿，你们也知道这是因为小溪和河流的缘故。)
• Cement is made from limestone.(水泥是由石灰石制成的。)
• It was formed as a limestone cave during the glacial period.(它是于冰河时期形成的石灰岩洞。)
• This gas is hydrogen sulfide, rises up and mixes with oxygen in the underground water that sits in the cracks and fissures in the limestone.(这种气体是硫化氢，上升后与石灰岩裂缝中地下水的氧气混合。)