pathfinder
/ˈpɑːθˌfaɪndə(r)/noun
1- a person who goes ahead and discovers or shows others a path or way探路者, 探索者; 开拓者。
1.1
- an aircraft or its pilot sent ahead to locate and mark the target area for bombing（为确定轰炸目标区而先遣的）领航机; 领航机飞行员。
1.2
- usu. as modifier an experimental plan or forecast实验计划; 预测, 预见：
a pathfinder prospectus.
一份实验计划书。