This is where blood doping comes in handy, but again, this is a bad move.

这是血液兴奋剂派上用场的地方，但同样，这是一个糟糕的举动。

The goal of blood doping is to increase the amount of the oxygen-carrying red blood cells in the blood.

血液兴奋剂的目的是增加血液中携氧红细胞的数量。

A paper published in 2011 examined the prevalence of " blood doping" , a catch-all term for ways to increase the capacity of blood to ferry oxygen to muscles.

2011年发表的一篇论文调查了“血液兴奋剂”的流行情况。“血液兴奋剂”是一个笼统的术语，指的是增加血液向肌肉输送氧气的能力。

Well, in one study, blood doping increased an athlete's endurance by 34%, and in another, an athlete was able to run 8 kilometers on a treadmill 44 seconds faster than before.

好吧，在一项研究中， 血液兴奋剂使运动员的耐力提高了 34%， 而在另一项研究中，运动员能够在跑步机上以比以前快 44 秒的速度跑完 8 公里。