这个铜矿的储量非常丰富。
zhègè tóng kuàng de chǔliàng fēicháng fēngfù 。
This copper mine has very rich reserves.
铜矿在经济发展中起着重要的作用。
tóng kuàng zài jīngjì fāzhǎn zhōngqǐ zháo zhòngyào de zuòyòng 。
Copper mines play an important role in economic development.
为了保护环境，我们需要合理开采铜矿。
wèile bǎohù huánjìng ， wǒmen xūyào hélǐ kāicǎi tóng kuàng 。
In order to protect the environment, we need to mine copper responsibly.