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》

We did steep turn, circle descent, and circle land with power off.

今天训练了急速转弯，盘旋下降和无动力盘旋滑行降落。

youdao

We did steep turn, circle descent, and circle land with power off.

今天训练了急速转弯，盘旋下降和无动力盘旋滑行降落。

youdao