当行动不便者正用声音指挥轮椅经过障碍物或危险地形(如楼梯)附近时，这一功能显得尤其重要。

This is especially important if, say, a person with limited physical mobility is using voice commands to guide his or her chair near obstacles or dangerous terrain (like a stairwell).

youdao

当行动不便者正用声音指挥轮椅经过障碍物或危险地形(如楼梯)附近时，这一功能显得尤其重要。

This is especially important if, say, a person with limited physical mobility is using voice commands to guide his or her chair near obstacles or dangerous terrain (like a stairwell).

youdao