铬是一种微带天蓝色的银白色金属。

Chrome is a microstrip sky-blue silvery white metal.

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钌：像铂和钯一样，钌是一种不易变色的银白色金属。

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

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锶是软金属，新切开的表面有银白色金属光泽，但一接触空气会迅速反应。

A soft metal, it has a silvery lustre when freshly cut but reacts rapidly with air.

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