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》

The small company made the long descent in silence, stopping thrice to refresh themselves along the way.

小队伍安静地下行，过程中三次停顿休息。

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Given that the world has gravity, that upward velocity won't last long; eventually, the sphere reaches the apex and begins its descent.

由于这个环境中具有地心引力，因此向上的速度不会坚持很久；最后这个球会上升到顶点并开始下降。

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This area marked stiff resistance ahead of the stock's long descent toward the single-digit range, and could now provide a springboard of support for an extended rally.

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Along with Casar, Efimkin and Mikel Astarloza, he had made a decisive break on the final climb, up the Col d'Agnes, then held off the peloton on a long descent to the finish line and fighting it out for the stage win.

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On an April 20, 1962 flight achieving an altitude of 207, 000 feet, he held the nose up too long during descent, causing the craft to bounce off the atmosphere back up to 140, 000 feet.

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