与美国小学生一起学英文第5册 第19期:矿井

 　　Mine 矿井

　　People get different kinds of materials from different mines. 人们从不同的矿井中得到不同的矿物材料。

　　Gold comes from a gold mine. 黄金产自金矿。

　　Copper¹ comes from a copper mine. 铜产自铜矿。

　　And coal comes from a coal mine. 煤产自煤矿。

　　When people think of mines, they imagine a big mountain. 当人们想起矿井时，他们会想到一座大山。

　　However, some people find a big mine under the sea. 然而，有的人会在海底发现大矿井。

　　What is the oldest mine in history. 历史上最古老的矿井是哪个呢？

　　It is "Lion Cavern²" in Southern Africa. 它就是非洲南部的“Lion Cavern”。

　　It is about 43,000 years old. 它约有43000年的历史。

1 copper   

n.铜；铜币；铜器；adj.铜(制)的；(紫)铜色的

参考例句：

• The students are asked to prove the purity of copper.要求学生们检验铜的纯度。
• Copper is a good medium for the conduction of heat and electricity.铜是热和电的良导体。

2 cavern   

n.洞穴，大山洞

参考例句：

• The cavern walls echoed his cries.大山洞的四壁回响着他的喊声。
• It suddenly began to shower,and we took refuge in the cavern.天突然下起雨来，我们在一个山洞里避雨。