Do I need to sit in an assigned seat?

我需要坐在指定的座位吗？

Everyone has an assigned seat in the classroom.

在教室里，每个小狗狗都有位置。

You'd better have your assigned seat, the plane is balanced.

请对号入座，飞机有配载平衡的。

Would you please go back to your assigned seat for the time being?

请您暂时回到指定的位置上好吗？

Please take your assigned seat, for the plane must keep balance when it takes off.

为了使飞机在起飞时保持配载平衡，请您按指定的座位入座。