Ruthenium (ru) : Like platinum and palladium, ruthenium is a silvery metal that does not easily tarnish.

钌：像铂和钯一样，钌是一种不易变色的银白色金属。

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One, sold as RU-21, is also known by the nickname “KGB”, because it was supposedly developed to help Russian spies keep a clear head while drinking.

其中一种以RU-21为名出售，它还有一个绰号叫“克格勃”。 因为据说它是为了帮助苏联间谍在饮酒时保持清醒而发明的。

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The people of Chang sent Zi Zhuo Ru to make a stealthy attack on Wei, which sent Yu Gong Zhi to pursue him.

郑人使子濯孺子侵卫，卫使庾公之斯追之。

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Now, we consider Ericsson almost as big a part of RU as we are, with more Ericsson people working with RU than we have staff.

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