Often the projected light dot on a laser pointer is too small to be seen effectively.

通常激光指物棒中设定好的激光点太小了，显示的效果不是很好。

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The larger the dot, the redder the light it absorbs; the smaller, conversely, the bluer.

量子点越大，越吸收红色的光线；相反，量子点越小，越吸收蓝色的光线。

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From this distance, oceans, land, clouds, and ice blend into a blur of light, a mere dot against the vastness of space.

在这个距离上，海洋、陆地、白云和冰雪全部被融入一个光斑之中，只是浩瀚的宇宙中的一个小光点而已。

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Each is signified by an icon and a light-up dot, although you'll need to recall which dot is which in low-light settings, as the icons themselves remain unlit.

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The team also showed how a large number of light pipes could be used to form a kind of dot matrix display.

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Yet the U.S. DOT seems to have made clear that there will be no dollars for light rail in Detroit.

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