Sentence examples for never been duplicated from inspiring English sources

So he fashioned an escape that has never been duplicated in mountaineering.

I looked at that stack of mysteries with a satisfaction that has never been duplicated in subsequent birthday celebrations.

Fabergé produced more than 140 colors by engraving gold sheets with a design -- often a sunburst -- and then adding as many as six microscopic layers of tinted enamel one by one through a heat process that has never been duplicated.

This is pop at its most gorgeously muddled — most of these songs could be called disco, funk, or reggae — and its particular sparkle and bounce has never been duplicated.

But because these results had never been duplicated in primates, the additional nerve cell growth was thought to be a feature peculiar to the rodent brain.

They are the comedy gold standard for absurdist comic brilliance which has never been duplicated or surpassed.

"It can never be duplicated.

"They can never be duplicated or replicated".

That will never be duplicated again".

"It could never be duplicated anywhere else".

It will never be duplicated, ever".