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李潇使用的速度药剂是一种能够提高人体运动速度和反应速度的药物。在药效开始发挥作用后，李潇发现自己的身体变得轻盈了许多，感觉像是在飞快地奔跑。
李潇的视野变得更加敏锐，能够清晰地看到周围的一切。他的反应速度也明显提高，能够更快地做出决策和行动。
在使用速度药剂的过程中，李潇感觉自己仿佛拥有了超凡的力量，能够迅速地冲刺、躲避、攀爬和跳跃。他的身体变得更加灵活，可以做出各种难度的动作。
然而，使用速度药剂也有一定的副作用。在药效逐渐消退后，李潇会感到疲倦和虚弱，身体会变得十分疲惫。此外，长期使用速度药剂也会对身体造成一定的损害，对身体的健康有一定的风险。
因此，李潇必须谨慎地使用速度药剂，只在必要时才使用，避免对自己的身体造成不必要的伤害。
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在使用速度药剂的过程中，李潇察觉到了一些不对劲的情况。可能是药剂的配方有些问题，导致药效出现了异常的变化。
为了进一步调整药剂配方，李潇决定使用小白鼠来测试。他在小白鼠身上注射了微量的药剂，并进行了一系列测试。
通过测试，李潇发现药剂的副作用比之前更加明显，小白鼠的心跳加速，呼吸急促，出现了明显的精神错乱症状。这表明药剂的配方需要再次进行微调，以减少不必要的副作用。
李潇花费了数天时间，对药剂进行了多次微调和测试，最终成功找到了一种更为稳定、副作用更小的配方。
在李潇的努力下，这种速度药剂得到了显著的改善，成为了一种更为安全和可靠的药物，可以用于更广泛的领域，帮助更多的人们提高身体素质和反应速度。
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