brief introduction:

The mechanism of a gun is to gather all the force of the body into one point. The human body's power comes from its legs. With the contraction of muscles, Darren's military boots turned slightly, gripping the ground like nails.,He keenly perceived and felt the activity of every muscle and bone in his body.,Jia Ji stood with a pose he thought was cool, taking a deep breath under the watchful eyes of everyone.。

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