He was trained there as a mining engineer.
他在那里被培养成一名采矿工程师。
My father was a mining engineer who worked in many different countries.
父亲是一名采矿工程师，在许多不同的国家工作。
I want to be a mining engineer, so I ought to study petrology and engineer.
我想要当个采矿工程师，所以我应当研读岩石学及工程学。
I want to be a mining engineer, so I ought to study petrology and engineer.
我想要当个采矿工程师，所以我应当研读岩石学及工程学。
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