Astronomers will have to collect more spectra from these stars to confirm their suspicions.天文学家们必须要从这些恒星上采集更多的光谱来证实他们的推想。The infra - red spectra of quinones present a number of interesting features.醌类的红外光谱具有一些有趣的性质.This ...
He stood bareheaded in the road, watching her quick disappearance.他光着头站在路上, 盯牢着她,很快地她就无影无踪了.I rode bareheaded...我没戴帽子骑车。He was bareheaded in the rain.他淋在雨中，头上什么也没戴。Wherefore was he standing bareheaded in the market place...