extreme hillside combine

例句：

1. 1. The scientist found thesolution to the problem at an extreme levelof difficulty.
   这位科学家在极其困难的条件下找到了解决问题的方法。
2. 2. The team achieved their goalwith an extreme focus on detail.
   该团队以对细节的极端关注实现了他们的目标。
3. 3. The mountain was considered an extreme challengefor climbers.
   这座山被认为是登山者面临的极端挑战。