And having a screen in the eyepiece gives you all kinds of advantages you don't get when you're just looking through glass.

再配上接目镜，让你拥有透过光学取景器取景所无法比拟的优势。

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The sun can reach you on cloudy, rainy, or snowy days as well. Plus, Sadick adds, "skin-damaging UV rays can penetrate through glass, so you need to apply sun protection even indoors."

别天真地以为宅在家里就不用防晒了：不论阴天雨天还是雪天，阳光都会让你无处可逃，其中有害的UV射线甚至可以穿透玻璃抵达室内。

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Light waves travel much slower through water and even slower through glass.

光波在水中传播时，速度要慢得多；在玻璃中传播时，甚至更慢。

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He or she then blows through the pipe so that the glass expands into a rounded bubble form.

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Suddenly, looking through the optic glass, one could see valleys, it seemed to have rivers, and there were mountains.

突然，通过厚厚的玻璃，我们可以看见，月亮上似乎有河流，高山。

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We know that UV light gets absorbed by glass, so it shouldn't be able to go through the glass.

我们知道紫外光会被玻璃吸收，所以它无法通过玻璃。

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Visitors will be able to peer down to the foundations through glass panels in the ground floor.

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At the time, a central master bathroom was visible from the living room and kitchen through glass walls.

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When light travels through glass, it slows down (the amount it slows is measured by a number called the refractive index).

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