空气似乎很稀薄，好像在混合的气体中剩下的氧气很少。
The air seemed thin as though its combination of gases had little oxygen left.
空气似乎很稀薄，好象在混合的气体中剩下的氧气很少。
The air seemed thin as though its combination of gases had little oxygen left.
空气似乎很稀薄，好像在混合的气体中剩下的氧气很少。 。
Thee air seemed thin as though its combination of gases had little oxygen left.
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