n.宇宙學(xué)家；宇宙論者
Robert J. Scherrer is a cosmologist, chair of the Department of Physics and Astronomy at Vanderbilt and a published science-fiction author. 薛瑞是一位宇宙學(xué)家，曾出版過科幻小說，現(xiàn)擔(dān)任范德比爾特大學(xué)物理與天文系主任。
