He planned to climb it without oxygentank, something only a few climbers had managed to do.
他计划在没有氧气罐的情况下攀登，只有少数登山者做到了这一点。
2
He's got his oxygen on, and the portable tank next to him on the rug like a faithful dog.
他已戴上氧气罩，旁边的便携式氧气罐就像一只忠诚的狗一样躺在地毯上。
3
But 55 hoursand 55 minutes later, there was an explosion in one of the spacecraft’s twooxygen tanks and the second oxygentank started to malfunction. Most otheressential services soon went offline.