full upright position的意思|示意

How do I bring my seat back to its full upright position?

怎样将我的椅背恢复到垂直的位置？

Please bring your seat back to its full upright position.

请将座椅靠背调整到正常位置。

How to I bring my seat back to its full upright position?

怎样将我的椅背回复到垂直的位置？

Now in preparation for takeoff, please fasten your seatbelt, return your seatback and tray tables to the full upright and locked position.

现在飞机准备起飞，请系好安全带，讲座椅和折叠桌复原为竖直状态并扣好。