verb · to clear a way through obstacles or to lead the way through a crowd or wilderness

导游在前面开路，带着游客穿过茂密的丛林。

verb · to construct or lay down a new road as a matter of civil engineering

政府计划在偏远的山区开路，以促进当地经济发展。

verb · an incomplete electrical circuit through which no current can flow

如果电路中有一处断开，就会形成开路，灯泡也就不会亮。