与美国小学生一起学英文第5册 第19期:矿井
时间：2019-02-11 作者：英语课 分类：与美国小学生一起学英文第5册
英语课
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。
Copper 1 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 Cavern 2" 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。
n.铜；铜币；铜器；adj.铜(制)的；(紫)铜色的
- 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。
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小学英语