【采矿】井下采掘体积

新视野大学英语视听说教程 3 Unit 3-12

News Report Prince More Precious Than the Diamond Script People have long known the saying Diamonds are a girls best friend. But this may be changing. Theres a new stone on the gem market, tanzanite, and it is giving diamonds some serious competition

发表于:2018-12-29 / 阅读(74) / 评论(0)

新视野大学英语：视听说教程 3

历史英雄名人演讲第25期:泰国总理他信在第34届曼谷珠宝交易会开幕式上的演讲(1)

18. Thailand's Prime Minister Thaksin Shinawatra 34th Jewelry Fair in Bangkok, the Opening Ceremony of the Speech 18. 泰国总理他信在第34届曼谷珠宝交易会开幕式上的演讲 As some of you may know, Thailand has a long history relatin

发表于:2018-12-30 / 阅读(74) / 评论(0)

历史英雄名人演讲

Marble of Michelangelo’s Dreams Still Being Mined Today

In 1517, the great Italian artist Michelangelo climbed Mount Altissimo in Tuscany. There, he found the marble of his dreams. Michelangelo thought the marble might even be better than that from nearby Carrara the place where he got marble for some of

发表于:2019-01-02 / 阅读(72) / 评论(0)

2017年VOA慢速英语(八)月

美国有线新闻 CNN 刚果钴矿开采业使用童工引关注

This show is centered on an in-depth report that concerns child labor, a large African country and the element of cobalt. We're explaining how all those things are tied together. First, the issue of child labor. The United Nations defines this as wor

发表于:2019-01-19 / 阅读(62) / 评论(0)

CNN美国有线新闻2018年7月

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学英语单词

(A-A)DO2

a brand from the fire

central nervous system disorder

circumferentia

class secretary