This accords with anecdotal evidence that people often yawn in situations where they are neither tired nor bored, but are preparing for impending mental and physical activity.

这与坊间流传的证据相符，即人们常会在既不累也不无聊的情况下打哈欠，只是为即将到来的精神和身体活动做准备。

youdao

This all amounts to heightened activity and noise levels, which have the potential to be particularly serious for children experiencing auditory function deficit.

所有这一切都意味着活动量和噪音水平增加，这对有听觉功能缺陷的儿童来说有更加严重的潜在影响。

youdao

This measures the electrical activity of the wearer's brain, in much the same way as some machines used for medical and research proposes, and communicates wirelessly with a clock unit near the bed.

与一些用于医疗研究的机器所采用的方法非常相似，它可以测量佩戴者的脑电波活动，并且可以与佩戴者床边的一个时钟部件进行无线连接。

youdao

"So the combination of eating more calorie-dense food and having fewer opportunities for physical activity, that's what creates this obesity epidemic."

VOA: standard.2010.07.02

Users visiting the website created for this study were asked to enter their weight, the food they'd eaten, and their physical activity.

VOA: standard.2010.07.30

It is building reservoirs on high-mountain lake areas to ensure water supplies for the locals and this activity is likely to continue until well into 2013.

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Everyone waited all year for this activity and I always admired my mom for being the organizer because my friends all thanked me for her doing it.

WHITEHOUSE: Parental Involvement in Schools: The Key to Our Children's Success | The White House

Financial-statement-analysis-of-small-businesses Manta, an online directory and network for small and medium businesses, this week said new business activity in the third quarter was up 12 percent from a year earlier.

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