卫生部免疫接种主管戴维·斯伯里教授说这种担心是“假设，没有证明的”。
Professor David Salisbury, director of immunisation at the Department of Health, said that such worries were "theoretical, with no evidence".
一种可以在极端环境中生存的细菌的发现为英国宇宙学教授保罗·戴维斯所倡导的一种新理论提供了有力证据。
The discovery of a bacteria that can exist in extreme environments adds weight to a new theory championed by the British cosmologist Professor Paul Davies.
宾夕法尼亚州立大学文学教授兼诗人托德·戴维斯称，双月的画面——大月亮最终吞噬小月亮——这样的画面将俘获文人们的心。
And poet Todd Davis, a professor of literature at Penn State University, said this idea of two moons - one essentially swallowing the other - will capture the literary imagination.
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