Clara felt a sensation of contentment such as she had never before experienced.

克拉拉体验到一种前所未有的满足。

youdao

Most of these countries had never before experienced an outbreak of highly pathogenic avian influenza in their histories.

这些国家中，大多数历史上从未暴发过高致病性禽流感。

youdao

They served French food to many customers who had never before experienced French cuisine.

很多不曾体验过法国烹调风格的顾客们都在那里领略了纯正的法国风味。

youdao

You can achieve a level of engagement never before experienced with the market and your customers.

FORBES: 5 Things Every Business Needs

The change in the nature of physician employment will have effects never before experienced in America.

WSJ: David Leffell: The Doctor's Office as Union Shop

Similarly, advances in chemistry, physics and mechanical engineering had produced weapons that made possible slaughter on a scale never before experienced.

ECONOMIST: Britain between the wars