We must move back to higher ground above the fog.

我们必须后退到高出大雾的一处地方去。

youdao

When placed back to back with the tallest of the boat's crew, he tried his best to edge on higher ground, and to stand on tiptoe.

当他与我们船上个子最高的船员背靠背站着，他还踮着脚尽力站上更高的地方。

youdao

The fighting died down at the end of the day, and Jackson's men moved back to their positions on higher ground.

VOA: special.2009.09.24

Patients at the hospital were briefly moved to higher ground, but they were soon brought back and the hospital is operating, the U.S. Federal Emergency Management Agency said.

CNN: Scores dead, villages flattened in devastating Samoan tsunami