In the case of a single Gold topology in the cell, this is acceptable because there is only one messaging engine to choose from.

对于单元中单个黄金拓扑的情况，这是可以接受的，因为只有一个消息传递引擎供选择。

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As the liquid evaporated, the ink became richer in gold, the fluid flowed over the holes, and a single nanoparticle of gold dropped into each one.

随着液体的蒸发，墨水的含金量也就随着增多，而当流体流过模板上的小孔时，一个单一的黄金纳米颗粒就会进入小孔内。

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Michael Phelps won the most gold MEDALS at a single Olympics, ever.

迈克尔·菲尔普斯赢得有史以来单届奥运会上最多的金牌。

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American swimmer Michael Phelps won 8 gold medals, breaking the record for the most gold medals won at a single Olympics.

VOA: special.2009.01.03

Lodwick became the first American to win two gold medals at a single world championship.

VOA: standard.2010.01.31

Sprawling conglomerates such as Anglo American and Gencor have consolidated their various gold interests into single, gold-only firms, and spun them off.

ECONOMIST: South African gold mining

At the previous two Olympics held on their soil, Canadians had failed to win a single gold medal.

ECONOMIST: Sporting success and brash patriotism

Thanks to a massive stock of gold around the world relative to small annual new discoveries (flow), gold is the single best measure of money we have.

FORBES: The Great Cereal Box Robbery