mined
n. 开采
例句
The area has been mined for slate for centuries.
这个地区开采板岩有数百年了。
《牛津词典》
Coal is mined from underground.
煤是从地下开采来的。
They mined the rock, artificially break it down and put the Phosphorus into agricultural fertilizers.
他们开采岩石,人工把它分解,然后把磷放进农业肥料里。