There can be no possible question that cold is felt much more keenly in the thin air of nineteen thousand feet than it is below.

There can be no possible question that cold is felt much more keenly in the thin air of nineteen thousand feet than it is below.

毫无疑问，在一万九千英尺高空的稀薄空气中比在下面更能感觉到寒冷。

-- Hudson Stuck 哈德逊卡住了