If you are looking up at the sky on a clear night and you see a sudden flash of light, it is probably a shooting star!

如果你在晴朗的夜晚仰望天空，突然看到一道闪光，那可能是颗流星！

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Nevertheless these commands will probably flash messages on your screen while they are running; you can type clear at the prompt to clear the screen.

当你在运行命令时，这些命令很可能会在你的屏幕上刷出一些信息，你可以在提示符后键入clear命令清除屏幕。

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In such an old cathedral, it was very difficult to take some clear pictures by our normal digital camera. If used the flash, the quality would be even worse.

在如此古老的大教堂里，用我们的普通数码相机很难拍到清晰的像片，如果用了闪光灯，像片的质量更糟糕。

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We plan on at least one more blog on flash based storage this week but it is clear that both HDDs and flash memory are making advances that will allow them to storage and service our developing needs for commercial and personal content.

FORBES: Digital Storage, Our Only Hope

"Solid state" storage systems, like flash memory, offer some clear advantages over the spinning-disk drives of the past.

FORBES: Sun Jumps Into Flash

Using advanced floating lens technology, the camera in the Lumia 920 is able to take in five times more light than typical smartphones without using flash, making it possible to capture clear, bright pictures and video indoors and at night.

ENGADGET: Nokia Lumia 920 and 820 land stateside on AT&T's 4G LTE network this November