Put the back of your seat in an upright position.

把座位靠背放到垂直的位置。

youdao

Please put the back of your seat in an upright position.

请把作为靠背转到垂直位置。

youdao

Please put the back of your seat in an upright position.

请把作为靠背转到垂直位置。

youdao