Not since the age of dinosaurs has the world known a roach with a vertical leap.

自恐龙时代之后，我们的世界再也没有具备垂直跳跃能力的蟑螂了。

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We saw many kinds of fossils of dinosaurs in the dinosaur World.

在恐龙世界我们看到许多种类的恐龙化石。

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This is nearly 1,000 times the "natural" or "background" rate and, say many biologists, is greater than anything the world has experienced since the vanishing of the dinosaurs nearly 65m years ago.

许多生物学家表示，这个速度几乎1000倍于“自然”或“背景”速率，而且是自6500万年前恐龙消失以来，世界经历的最大一件事。

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Instead of scientists' re-creating the world of dinosaurs as in Jurassic Park, this tale's mad scientist and colleagues invent technology to transport people to other periods of time.

FORBES: Fact and Comment

"For children, sometimes it's hard to find the difference between the world of dinosaurs and the time of communism, " says Konrad Piasecki, a radio announcer in Warsaw who was born in 1970.

WSJ: Poles Apart: Today's Kids Line Up to Learn About Communist Past in Poland

Many of the dinosaurs in the world's museums have undergone significant reconstructive surgery, with scientists substituting artificial bones to make up for those missing.

CNN: Museum readies to assemble its T-Rex