Let's start by looking at aerobic respiration.

让我们从有氧呼吸开始讲吧。

We met in water aerobics at the retirement community.

我们在休社区玩水上有氧运动时相遇的。

And then endurance aerobic cardiovascular exercise.

然后是耐力有氧心血管运动。

Get aerobic exercise for 30 to 40 minutes three to four times a week.

做30-40分钟的有氧运动，每周3-4次。

Doctors recommend exercising a few times a week, doing both aerobic activity and strength training.

议每周运动数次，包括有氧运动和肌力训练。

Aerobic exercises, like jogging or sprinting, are great ways to improve your physical fitness.

慢跑或短跑等有氧运动是增强体质的好方法。

Researchers also tested the athletes' oxygen use during hard exercise to measure aerobic endurance.

研究人还测试了运动在剧烈运动时的耗氧量，以测量有氧耐力。

So aerobic exercise can be a great way to fight age-related declines of our memory.

所以有氧运动可以很好地对抗因年龄增长而引起的记忆力。

Aerobic respiration happens all the time in all cells, usually in the mitochondria.

有氧呼吸每时每刻都在细胞中发，通常在线粒体中。

Walking is the most common form of aerobic exercise. Most people do it every day!

步行是最常见的有氧运动形式。大多数人每天都做！

So this is how aerobic, or with air, respiration works.

这就是有氧呼吸的原理。

All other research using more tolerable ranges yielded little to no practical aerobic or anaerobic improvements.

其他研究也用了可承受范围内的剂量来研究，但有氧或无氧的改善都没有实质性的提高。

Aerobic respiration releases energy in cells by breaking down food substances whilst in the presence of oxygen.

有氧呼吸通过在有氧的情况下分解食物物质来释放细胞中的能量。

You can hopefully see that aerobic respiration works in the opposite way to photosynthesis.

你可以看到有氧呼吸与光合作用相反。

There's always the treadmill, or whatever you use down at the local health club to get aerobic.

健身房的跑步机上可以，或者是其他运动器械上也行。

Jenny and I used to do aerobics together at the town hall and Simon is our new neighbour.

珍妮和我以前在市民活动中心上有氧运动课，赛门是我们的新邻居。

This means it can live even without oxygen, although it grows better in an aerobic environment.

无论在有氧或者无氧的环境中，它都可以很好地存活，不过在有氧的环境中存活得更好。

Finally, it doesn't form spores and it's aerobic, meaning it needs oxygen to grow.

最后，它不能形成孢子，且是一种需氧菌，意思是它必须在有氧气的条件下才能存。

The U.S. Centers for Disease Control and Prevention suggests adults get 150 minutes of moderate aerobic exercise every week.

美国疾病控制和预防中心议，成年人每周做150分钟的适度有氧运动。

But when her trainer told her she needed more aerobic exercise and a better diet, Nancy, 31, hesitated.

但是当教练告诉她还需要做更多的有氧运动，并且进一步节食时，31岁的南希犹豫了。