今天狩猎采集的生活方式在偏远地区侥幸留存了下来。The hunter-gatherer lifestyle today survives precariously in remote regions.我喜欢在手头留存一些信封,以备不时之需.I like to keep a few envelopes about in case I need them.他们在欧洲的确是作为吟游诗人而留存到中世纪的.They survived, indee...
He had been taking part in an international symposium on population.他那时正参加一个有关人口问题的国际研讨会。What have you learned from the symposium?你参加了这次科学讨论会,有什么体会?Once I attended an international symposium on Dunhuang studies held at t...