NATGEO  |  History

How a physician’s DIY device helped Americans summit Everest

一位医生的自制设备如何帮助美国人登顶珠穆朗玛峰

National Geographic Explorer Barry C. Bishop carried this oxygen mask during the first successful American expedition to Everest in 1963.

National Geographic Explorer Barry C. Bishop carried this oxygen mask during the first successful American expedition to Everest in 1963.

2026-03-23  135词  简单
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