In today's lecture we looked at some paralinguistic features such as tone of voice, gesture and posture.

在今天的课上，我们看了一些副语言特征，如语气，手势和姿势。

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One of the first features of language a child learns well is to control the rise and fall of the voice to make the difference between stating and questioning.

孩子学好语言的第一个特征就是控制声音的升降，从而区分陈述和疑问。

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The researchers are now attempting to refine their tests to pick out the individual features in a voice that lead to recognition, to see which she has most difficulty with.

研究人员现在正试图对测试进行优化，选出对声音识别有决定性的特征，以帮助判断她是在哪些方面出现了问题。

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Because it's so hard in water and to maintain voice features, one of the other aspects of this is that when you dive down the pressure increases, the water pressure increases and actually changes these air filled cavities and you have that influence voice characteristics quite a lot.

NPR: Study: Dolphins Call Out Their Own Names

The voice control features let you switch between playing a game and watching television within the time it takes to change a channel, according to Microsoft.

FORBES: Xbox Reveal: 'One' Console To Rule Them All

The laparoscopic equipment features voice-activated lights, ceiling-mounted monitors and special green lights to reduce the strain on staff's eyes.

BBC: Hospital installs new keyhole equipment