The scenery was beautiful, with cool green forests sweeping down the hillsides.绿色的森林顺着山坡绵延而下，清凉舒爽，景色宜人。The road twists and turns up the hillside.道路弯弯曲曲地顺着山坡延伸而上。Great rocks rolled down the mountainside.巨大的岩石顺着山坡滚落下来。The road plunges down the mountain.公路顺着山势陡然而下。