In addition, it's great exercise too, since we do a lot of hiking.
还有,那也是个好的运动,因为我们要长距离徒步旅行。
It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner with would make a modern climber shudder at the thought,
确实,在探险中他们经常遇到惊心动魄的困难和危险,而他们装备之简陋足以使现代登山者一想起来就胆战心惊。