A novel gray silver colloid was prepared by silver nitrate solution reduced with sodium citrate consisting of spherical silver particles which in narrow size distribution.

利用柠檬酸钠还原硝酸银的原理，提出了一种微波加热制备银胶体粒子的新方法，得到了颗粒大小较均匀的灰色银胶体。

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My whizzy $299 white, gray, and silver Apple TV box sits largely unused next to a big-screen television in my bedroom.

我价值299美元的白色、灰色和银色的苹果电视盒子很大程度上安静地呆在卧室的大屏幕电视边上没有使用。

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Get into the habit of looking for the silver lining of the cloud and when you have found it, continue to look at it, rather than at the leaden gray in the middle.

黑云当空时，当养成一个习惯：一直看它银色的夹里，不去看它黑色的面子。

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Sylvie felt as if she were a part of the gray shadows and the silver leaves that moved in the evening breeze.

VOA: special.2010.04.03

Their coats, which had been very uniform in appearance between individual, a silver gray color, suddenly showed great diversity.

FORBES: The Fossils in Our Genes

With his silver-gray hair tossed behind his ears, he makes quick gestures to illustrate his points.

WSJ: The Weekend Interview with Michio Kaku: Captain Michio and the World of Tomorrow

The Power Mac G4 systems look similar to the aqua-blue G3 systems, but come in silver, gray and clear casings.

CNN: G4 chips beef up Power Macs