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.

我们在退休社区玩水上有氧时相遇。

And then endurance aerobic cardiovascular exercise.

然后是耐力有氧心血管。

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

做30-40分钟有氧，每周3-4次。

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

医师建议每周数次，包括有氧和肌力训练。

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

慢跑或短跑等有氧是增强体质法。

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

研究人还测试了在剧时耗氧量，以测量有氧耐力。

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

所以有氧可以很地对抗因年龄增长而引起记忆力衰退。

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生，通常在线粒体中。

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

步行是最常见有氧形式。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剂量来研究，但有氧或无氧改善都没有实质性提高。

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情况下分解食物物质来释放细胞中能量。

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.

健身房跑步机上可以，或者是其他器械上也行。

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中心上有氧课，赛门是我们新邻居。

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环境中，它都可以很地存活，不过在有氧环境中存活得更。

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条件下才能生存。

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建议，成年人每周做150分钟适度有氧。

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有氧，并且进一步节食时，31岁南希犹豫了。