[化] 黄铜矿

copper pyrite的用法和样例：

例句

The induced-flotation behavior of chalcopyrite and pyrite was investigated.考察了黄铜矿和黄铁矿的诱导浮选行为。
The major ore mineral in the Shijuli copper deposit is chalcopyrite, copperas stone and so on.石居里铜矿床矿石中主要矿石矿物由黄铜矿及黄铁矿等组成。

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1.Food _______ is a big industry in this area. A.projecting B.promising C.processing D.president 2.We never _______ that John would become a doctor. A.respected B.wondered C.suspected D.estimated 3.Don't be too _______ on your children. They are stil

发表于:2019-01-08 / 阅读(105) / 评论(0)

大学四六级阅读

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VOA标准英语2008年(十二月)

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发表于:2019-01-14 / 阅读(135) / 评论(0)

VOA标准英语2011年(十月)

2018年CRI Tongling: a copper city's now and past

The Streaming down the Yangtze team has arrived in the city of Tongling, Anhui Province. Owing to its copper deposits, it was an important center in ancient China for bronze production. The scale of the copper industry has gradually increased and it

发表于:2019-01-19 / 阅读(131) / 评论(0)

2018CRI中国国际广播电台

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Varden paused, and put away a good mouthful of whisky. Well? cried several breathless voices. Well, said Varden, Im not ashamed to say I went out of that house like an old buck-rabbit that hears the man with the gun. There was a car standing just out

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英文短篇小说

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For the last two years, the Los Angeles area has seen an increasing number of metal thefts, reported Paul Moyer, co-anchor of the local 6 oclock news. Sometime before dawn Wednesday, thieves had stolen the copper wire out of six lamp posts. A day ear

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365个英语简短小故事

Chile Strike Halts World's Largest Copper Producer Halts Wor

Unionized workers at Chile's Codelco, the world's largest copper producer, have begun a 24-hour strike in a dispute with the government over the future of the company. The workers walked off the job Monday over modernization（现代化） plans that

发表于:2019-02-04 / 阅读(106) / 评论(0)

英语新闻

为何奥运选手爱咬金牌

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英语新闻

你了解自己的头发吗？

A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body. 人类的头发主要由一种叫角朊的蛋白质组成，并含有水分及在身体其他部分

发表于:2019-02-08 / 阅读(100) / 评论(0)

阅读空间

How the First Head Was Taken

How the First Head Was TakenOne day the Moon, who was a woman named Kabigat, sat out in the yard making a large copper pot. The copper was still soft and pliable like clay, and the woman squatted on the ground with the heavy pot against her knees whi

发表于:2019-02-09 / 阅读(188) / 评论(0)

英美文化

福尔摩斯广播剧 The Copper Beeches 9

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

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听歌学英语:Declan -- Tell Me Why

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asymptotically stable in the large