Every bag must get to the right plane at exactly the right time.

每个行李必须在确切的时间到达所属的飞机。

Your old man died young, but in a plane crash, right?

你父亲在空难中英年早逝 对吗？

It took them twenty minutes to fold the plane just right, making sure to craft it with as much weight as possible, helping them create the greatest amount of momentum after the toss.

他们花了20分钟才把飞机叠好，确保纸飞机的重量最大，这可以保证纸飞机在被扔出后获得最大的动能。