He was trained there as a mining engineer.

他在那里被培养成一名采矿工程师。

youdao

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。

youdao

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。

youdao