Each sensor cell contains an active capacitive feedback circuit sensitive to the presence of live skin close to the surface of the sensor.

每个传感器单元包含了积极的反馈电路敏感电容的存在，生活接近皮肤表面的传感器。

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Skin color, where you live and how much skin you have exposed all affect how much vitamin D you can produce.

皮肤颜色、生活地点和暴露在外的皮肤面积大小，都会影响你的身体所能产生的维他命D的量。

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"I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin but by the content of their character.

VOA: special.2010.04.16

Once the skin barrier is broken, the skin can become infected by bacteria, especially Staphylococcus aureus, which commonly live on the skin.

CNN: Atopic dermatitis (eczema)

Both types of bacteria can live harmlessly on your skin until they enter through a cut or other wound and cause an infection.

CNN: Impetigo

Sociologists say most choose where to live by way of language rather than skin color.

NPR: The Music Of Africa, By Way Of Latin America