They answered questions about their level of physical activity as teenagers and at age thirty, fifty and late in life.

VOA: special.2010.07.07

And so you can imagine that even in its— with all of this activity on your skin, even at its most--least serious level, it's a terrible disease.

你可以想象这些,即使在,伴随着皮肤上的任何运动,即使是最轻微的活动,也会带来严重的问题

耶鲁公开课 - 生物医学工程探索课程节选

To some extent, if we put you in an fMRI scanner and observed what you're doing in real time, by looking at the activity patterns in your brain we can tell whether you are thinking about music or thinking about sex.

某种程度来讲,如果我们对你进行,功能性核磁共振成像扫描,观察你的实时活动,通过观察你的大脑活动模式,我们可以看出你是想到了音乐,还是想到了性

耶鲁公开课 - 心理学导论课程节选

The report says that, at maximum activity, the small increase in sunshine over several years causes a small temperature increase in Earth's atmosphere.

VOA: special.2009.09.29

In this case, a receptor tyrosine kinase is a receptor molecule that binds a ligand at its surface outside the cell and initiates this enzyme activity - this kinase activity - and causes phosphorylation of another molecule.

在这个例子中,酪氨酸激酶受体可以,在细胞表面区域与配体结合,从而激发出,激酶的活性,使其能够磷酸化另一类分子

耶鲁公开课 - 生物医学工程探索课程节选

Many of the world's volcanoes are found at the edges of plates, where geologic activity is intense.

VOA: special.2010.01.12

The total amount of activity should be spread over at least three days throughout the week.

VOA: special.2010.06.08

At the same time, the Norfolk Police Constabulary is investigating the possibility of criminal activity.

VOA: special.2010.04.27

That was the last recorded activity at Haleakala.

VOA: special.2010.09.08

We've been working to make our schools healthier. We've been working to increase the amount of physical activity that our kids are getting, not just during the day at school but also at home.

VOA: special.2010.06.07

"And if you look at the lifestyle and eating style, they balance their physical activity with their calorie intake."

VOA: standard.2010.02.23

Others last for months or even years. There is no clear way of predicting at the present time how long this activity might go on for."

VOA: standard.2010.04.16

Ball says adults need at lease 150 minutes of moderate aerobic activity each week.

VOA: standard.2010.02.26

He says interest in solar power is growing. "I actually believe we are at the beginning of a surge in activity in investing in renewable energy.

VOA: standard.2009.10.27

She said there will be increasing activity in the very near future aimed at achieving the votes needed in the U.N.Security Council for a package of sanctions on Iran.

VOA: standard.2010.03.26

So working with the government of Morocco,we are hoping to really help to see blossom a lot more economic activity at the lower levels that will then from the bottom-up build prosperity,"

VOA: standard.2009.11.03

"Because there are only a couple of previous records of eruption at this particular volcano, it is difficult to judge either how long the activity will go on there, or how long the volcano might then be dormant before it goes active again."

VOA: standard.2010.04.15

"It is not just a case of understanding the activity at the volcano itself, what we are also seeing the effect of at the moment are the prevailing weather conditions because we are in a northerly air stream at the moment and that is bringing the volcanic dust from Iceland down over the U.K.

VOA: standard.2010.04.15