open stoping

例句：

1. 1. The company has been exploring new markets in Africa for the past few years.
   该公司在过去几年里一直在非洲探索新的市场。
2. 2.The mining industry is facing a shortage of skilled workers.
   矿业行业正面临熟练工人短缺的问题。
3. 3.The exploration team discovered a new species of plant in the Amazon rainforest.
   探索队在亚马逊雨林发现了一种新的植物物种。