This sediment layer is enriched in the rare metal iridium and other elements that are relatively abundant in a meteorite but very rare in the crust of Earth.

这一沉积层富含稀有金属铱，以及其他在陨石中较丰富而在地壳中十分罕见的元素。

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It is a charming land that boasts abundant historical relics and enjoys superb natural environment.

这是一个迷人的地方，历史遗迹丰富，自然环境优美。

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They had found, accidentally, that a rare metal, iridium, suddenly became very abundant exactly at the boundary and then slowly fell away.

他们偶然发现一种稀有金属铱的含量在边界处突然变得很丰富，然后又慢慢地消失了。

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In just three days of high-fat eating, a rat learns to accommodate itself to a more abundant life.

ECONOMIST: Obesity

With massive layoffs and once-flush brokerage firms finding cash a less abundant commodity, disputes over getting paid have taken on new meaning.

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The body is remarkable at using dazzlingly complex combinations of a few abundant molecules from food to accomplish most of what it needs.

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