And then as you get close, you lower your rucksack below you on a lowering line, so that it's not on you when you land, and you prepare to do a parachute-landing fall.
但当你越接近的时候，在下降的过程中你把你的背包置于你之下 所以当你着陆时 它并不在身上 你需要准备打开降落伞然后降落