develop a mine的用法和樣例：
例句
- To dig a mine in the earth to obtain ore or minerals.
在地下開(kāi)礦以獲得礦石或礦物。 - The dwarves, by nature fascinated with shaping gems and stone, set out to mine the surrounding mountains for riches and precious minerals.
矮人天生沉迷于加工寶石和巖石，喜歡在山峰深處開(kāi)礦挖掘稀有的礦藏。
