Mined

例句:

• Wouldn't you think it was mined ahead or that there was a trap? 欧内斯特·海明威. 丧钟为谁而鸣.
• China has hitherto mined only on a small scale. 佚名. 神奇的知识之书.
• About 260,000,000 tons of coal are annually mined in Britain, the value being over $300,000,000. 佚名. 神奇的知识之书.
• It was of such rich character that, being cheaply mined by greatly improved and inexpensive methods, the market price of crude ore of like iron units fell from about $6. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• It's probably mined, Bonello said. 欧内斯特·海明威. 永别了,武器.
• The immense veins of magnetic ore lie close to the surface and are mined or quarried by working along a series of benches or ledges. 佚名. 神奇的知识之书.
• It won't be mined to blow up with one man. 欧内斯特·海明威. 永别了,武器.
• When ore is mined, it contains in addition to the desired metal many other substances. 伯莎M.克拉克. 科学通论.
• The manufacture of soap, glass, bleaching powders, baking powders, washing soda, and other chemicals depends on salt, and it is for these that the salt beds are mined. 伯莎M.克拉克. 科学通论.

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