harsh arc

例句：

1. 1. The sharp arcof the mountain is visible from afar.
   远处可以看到那座山陡峭的弧线。
2. 2.The sharp arc of the road cutsthrough the forest.
   道路陡峭的弧线穿过森林。
3. 3. The sharp arc of theriver is a testament to itsstrength and power.
   河流陡峭的弧线是其力量和力量的证明。