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Chapter 30 Great progress!
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Chapter 32 Nocturnal!
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... p> Feet like flying.
For a full hour, the dog was panting, and Cao Xin didn't pant.
Physical, physical strength, and endurance are greatly improved on the one hand, and the use of more skills, exhalation and ventilation, and energy saving are another aspect.
Combine the two.
Cao Xin is now able to run the next marathon—
Forty kilometers.
With his current physical strength and endurance, he can run down in one breath, and it only takes abou ...
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