As you train, two things happen to improve your muscles' ability to use oxygen. First, your heart gets stronger and delivers more oxygen; and second, your leg muscles get better at using the oxygen.
有两个方面的因素可以增加你训练时肌肉能利用的氧气量，第一是你的心脏变得更强，能输送更多的氧气，第二就是你腿部的肌肉能更好的利用氧气。
Objective: to prove oxygen mask oxygen inhalation device effectiveness in order to better educate patients, and improve the effectiveness of its use.
目的：证明氧气雾化吸入器面罩吸氧的有效性，以便更好的向病人进行宣教，提高其利用效能。
It can improve the control quality to fit the requirement of a process control system for use with a no oxygen copper rod furnace.
该方案在无氧铜杆炉控制系统投用，使控制性能有较大的提高，能满足生产过程的要求。
Regular classes will improve your ability to take in and use oxygen. As a result, your heart and lungs will become more efficient and you'll burn lots of calories too.
有规律地参加健身班训练会提高你的吸氧和用氧能力，使你的心肺功能得到提升，同时还能够消耗掉大量的热量。
Aerobic exercises can enhance the ability of muscle to use oxygen and improve heart and lung fitness.
有氧运动能提高肌肉的运氧能力，改善心肺功能。
Aerobic exercises can enhance the ability of muscle to use oxygen and improve heart and lung fitness.
有氧运动能提高肌肉的运氧能力，改善心肺功能。
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