请将您的座位恢复到直立位置并系好安全带。

Please return your seats to an ___upright position and fasten your seat belts.

飞行员指示我们系好安全带并将座位调直。

The pilot instructed us to fasten our seatbelts and put the seats ___upright.

尽管风很大，他仍然站得笔直。

He stood ___upright despite the strong wind.