The term 'chewing the fat' takes on a whole new meaning with this course offered by George Washington University in the US.

成语“开怀畅谈”（英语为chewing the fat，直译为“嚼脂肪”）有了新的含义了，拜乔治华盛顿大学所赐。

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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。

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According to Thomas Rodebaugh, a psychology professor at Washington University in st Louis, US, almost everyone suffers from at least a little social anxiety.

根据美国圣路易斯华盛顿大学心理学教授托马斯•罗德鲍的说法，几乎每个人或多或少都会受到社交焦虑的困扰。

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Professor Alison Brooks, an expert in African archaeology at George Washington University, US, said the study was "very well researched".

BBC: NEWS | Science/Nature | Study reveals 'oldest jewellery'

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

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