The US scientists led by Dr Herman Pontzer at the University of Washington, St Louis, based their findings on the estimated amount of energy dinosaurs must have expended moving about.

该研究是由美国华盛顿大学圣路易分校的Herman Pontzer 博士及其同事共同完成的。 他们通过估算恐龙在活动时所消耗的能量，得出了该结论。

youdao

The researchers, from the University of Washington and University of California Berkeley in the US and the Natural History Museum, re-examined a number of bones that were first collected from what is now Lake Malawi in southern Africa.

BBC: New contender for oldest dinosaur

He can now move his fingers and toes again, and last month doctors at Washington University School of Medicine in St Louis, US, discovered his brain has maintained a near-normal ability to detect feeling and movement.

BBC: Reeve to make Smallville debut

Sarantis Symeonoglou is professor of art history and archaeology at Washington University in St Louis, US. He has spent years trying to tie locations on Ithaki to details in the poem.

BBC: NEWS | Science/Nature | Drill hole begins Homeric quest