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During intense exercise -- sprinting, for example -- your body breaks down glucose and produces what's called lactate. That substance can build up faster than it can be further processed.
在剧烈运动中--比如冲刺--你的身体会分解葡萄糖，并产生乳酸盐。这种物质的积累速度比进一步加工要快。
If your idea of a workout is running to the refrigerator during commercials, you probably associate the lactate buildup with a burning in your muscles.
如果你的健身计划是在广告期间跑到冰箱那里取食物，你可能会把乳酸盐的形成和肌肉的燃烧联系起来。
But for well-conditioned athletes, excessive lactate means muscle fatigue and diminished performance. So athletes would like to know their actual lactate levels during training and competition.
但是，对于训练有素的运动员来说，过量的乳酸盐，就意味着肌肉疲劳和性能下降。所以运动员们想知道，他们在训练和比赛中实际的乳酸水平。
Blood tests are one way to measure lactate levels, but are not practical in the middle of a game or race. So a goal has been to find a way to measure lactate in saliva to monitor muscle endurance. Which researchers at Palo Alto Research Center, known as PARC, and the University of California, San Diego, say they've achieved.
血液测试是测量乳酸水平的一种方法，但在比赛或比赛中并不实用。因此，我们的目标是找到一种方法，来测量唾液中的乳酸含量，以监测肌肉耐力。帕洛阿尔托研究中心和加州大学圣迭戈分校的研究人员表示，他们已经取得了进展。
Working with flexible hybrid electronics group NextFlex, the team developed a flexible, plastic mouth guard laden with sensors that can continuously monitor lactate concentrations in saliva.
该团队与柔性混合电子集团NextFlex合作，开发了一种柔性塑料口腔保护装置，该装置装有传感器，可以持续监测唾液中的乳酸浓度。
The mouth guard's batteries are rechargeable wirelessly, and the device can use low-power Bluetooth to send information to smartphones, watches and other electronic devices.
口腔保护装置的电池，可以通过无线方式充电，该装置可以使用低功率蓝牙向智能手机、手表和其他电子设备发送信息。
PARC—which is part of Xerox and best known for its pioneering work in PCs, printing and computer networking in the 1970s—has demonstrated a fully-functional prototype mouth guard.
帕洛阿尔托研究中心是施乐公司的一部分，在20世纪70年代以在个人电脑、印刷和计算机网络方面的开创性工作而闻名。
Assuming they can get additional funding, they plan to make different types of mouth guards that can be worn during high-intensity sports like football, lacrosse and boxing to measure hydration levels as well as glucose and cortisol concentrations.
假设他们能得到额外的资助，他们计划制造不同类型的口腔保护装置，可以在足球、长曲棍球和拳击等高强度运动中佩戴，以测量水分水平以及葡萄糖和皮质醇浓度。
With all this bodily information at hand, athletes and their coaches should be able to monitor fatigue and improve training regimens.
有了这些身体信息，运动员和他们的教练应该能够监测疲劳，改善训练方案。
