The racer lapped at unprecedented speed.

跑车以空前的速度跑完全程。

youdao

Talents are coming back at an unprecedented speed.

人才们正以前所未有的速度回来。

youdao

The 2009 influenza pandemic has spread internationally with unprecedented speed.

2009年流感大流行以前所未有的速度在国际上传播。

youdao

The picturesque town was a popular tourist destination, but the majority of its buildings were crushed by the onslaught of an unprecedented firestorm that advanced with such speed and ferocity and gave many residents little chance of survival.

VOA: standard.2009.03.21

The H1N1 virus has spread around the world with unprecedented speed, according to the WHO.

CNN: Australia to begin first human test of swine flu vaccine

Digital disruptors go one step further, acting on this knowledge with unprecedented speed.

FORBES: Ultra HD TV: D��j�� Vu All Over Again

In this new world companies will rise and fall with unprecedented speed.

FORBES: Groupon��an Ordinary Company for a Revolutionary New Era