translation.en: What we did was try to warm them up as best we could, put oxygen on them and try to revive them, which is difficult to do at 21,000 feet, when the tent is freezing.
translation.zh: 我们试着尽可能地让他们身体暖和起来， 给他们氧气，帮助他们呼吸， 这在21000英尺的海拔上， 在冰冷的帐篷中，并不是一件容易的事。