Limestone

例句:

• Besides air this process required as raw materials limestone and coke. 佚名. 神奇的知识之书.
• Other rocks, like limestone, are so readily soluble in water that from the small pores and cavities eaten out by the water, there may develop in long centuries, caves and caverns (Fig. 30). 伯莎M.克拉克. 科学通论.
• Had the different strata of clay, gravel, marble, coals, limestone, sand, minerals, &c. 本杰明·富兰克林. 富兰克林自传.
• The viaduct is constructed of limestone and iron lattice-work, and is calculated to bear 7,200 tons. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• In cement-making, generally speaking, cement rock and limestone in the rough are mixed together in such relative quantities as may be determined upon in advance by chemical analysis. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Still later Hall introduced chalk and powdered limestone into porcelain tubes, gun barrels, and tubes bored in solid iron, which he sealed and brought to very high temperatures. 李贝. 西洋科学史.
• A long, sloping hillside, dotted with gray limestone boulders, stretched behind us. 阿瑟·柯南·道尔. 福尔摩斯归来记.
• The richness of the ore and its purity of course affect the limestone consumption. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• It was modelled on that of Athens,—a large semicircle hewn out of the volcanic rock, with seats of the red limestone so frequent in Melnos. 弗格斯·休姆. 奇幻岛.
• The limestone must be burned to quicklime and the quicklime and coke must be fused together to form calcium carbide. 佚名. 神奇的知识之书.
• All these limestone upper basins must be full of caves, he thought. 欧内斯特·海明威. 丧钟为谁而鸣.

校对:普拉特