She drove up a steep grade and then began the long descent into the desert.

她驾车爬上一个陡坡，然后开始长长的下坡进入沙漠。

《柯林斯英汉双解大词典》

She drove up a steep grade and then began the long descent into the desert.

她驾车爬上一个陡坡，然后开始长长的下坡进入沙漠。

《柯林斯英汉双解大词典》