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

Even if virtual keyboards don't displace physical ones in all situations — and they won't — touch screens and haptics may change how we interact with a keyboard — especially on tablets, says Hsu.

徐指出，即使虚拟键盘无法当然也不会在所有情况下取代物理键盘，触屏和触觉技术可能改变我们使用键盘操作的方式，尤其是在我们使用平板电脑时。

youdao

The gap remained after the researchers accounted for other factors that could affect mental health such as asthma, physical activity and the families' income and housing situations.

研究者将其他可能影响精神健康的因素如哮喘、体育活动、家庭收入和住房状况算上之后，空缺依然存在。

youdao

The only corresponding situations in physical space are intelligence operations of one kind or another.

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The children and young people, who are drawn into exploitive situations, face huge risks to their physical, emotional and psychological health.

BBC: Lancashire

The particle causes seemingly stable situations to become suddenly very unstable, thereby imparting impressive changes to a physical system.

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