He was astonished at the high gold content in the 340 million-year-old rock.

他对这块有3.4亿年历史的岩石的高含金量大为惊异。

柯林斯例句

Makes one Kind of gold content high brand in the national market.

在水族市场上打造出一种含金量较高的品牌.

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A : Both of them are the 24 K pure gold and just the gold content have some difference.

它们都是24K纯黄金,只是含金量有一点区别.

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