placer mining的用法和样例：

例句

He tried gold mining, pearling and fur trapping.他尝试过淘金，采珍珠和猎兽皮。
Jiu Fen is just nearby Jin Gua Shi, and it was also a township developed becuase of gold mining.九份就在金瓜石左近，也曾因为金矿而聚集了无数的淘金客。

China's coal mining still high-risk industry

BEIJING, Aug. 24 (Xinhua) -- A spokesman for China's work safety regulator said on Friday that coal mining remains a high-risk industry in the country despite improvements over the past decade. Speaking at a press conference in Beijing, Huang Yi, of

发表于:2019-01-07 / 阅读(55) / 评论(0)

英语新闻

VOA标准英语--Ocean Floor is Prime Target of Mining Industry

Ocean Floor is Prime Target of Mining Industry The next great frontier for the mining industry could be hydrothermal vents that lie deep on the ocean floor. The super-hot flues create deposits of sulfide, which contain precious metals such as gold, s

发表于:2019-01-13 / 阅读(64) / 评论(0)

VOA标准英语2012年(六月)

VOA标准英语2010年-Mining Driving TB Epidemic in Sub-Saha

Some of the main driving factors of sub-Saharan Africas growing tuberculosis epidemic can be found deep underground in its gold, diamond and precious mineral mines. A new Oxford University-led study warns of the health risks faced by miners and their

发表于:2019-02-07 / 阅读(39) / 评论(0)

VOA标准英语2010年(六)月

环球英语 — 126：Mining Disasters

Voice 1 Hello, Im Joshua Leo. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 The place is dirty

发表于:2019-02-14 / 阅读(38) / 评论(0)

环球英语 Spotlight

新西兰英语 547 Mining Lignite

Lignite is low grade coal which contains more moisture than high grade coal and is dirty to burn. Southland has ten areas with lignite. Solid Energy, which is a government company, plans to mine this lignite. The company has plans to build a $25m bri

发表于:2019-02-17 / 阅读(50) / 评论(0)

新西兰英语

VOA常速英语2008年-Mining Resumes in Goa Despite Opposition From E

By Steve Herman Goa, India 07 February 2008 Mining, along with tourism, forms the economic backbone of India's seaside state of Goa. Environmental concerns recently halted much of the iron ore extraction, but the way has been now cleared for resumpti

发表于:2019-02-19 / 阅读(97) / 评论(0)

VOA常速英语2008年（二月）

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学英语单词

4'-epirubicin

acceptable productivity level (apl)