✔ 最佳答案
If you are travelling on your own you should go to the airport and check in early and ask for for emergency exit alise seat. That will give me enough space to strech your leg.
If you book your ticket through an agent ask them to request for emergency exit alise seat.
If you follow a tour then you should ask your 領隊to arrange for you, of course you should let him know in advance.
Any way flying time to Taiwan is about an hour you will not be太辛苦