北美大平原上曾有过7,000万头野牛。Once there were 70 million buffalo on the plains.她在北美游牧民中生活了十年。For ten years she dwelled among the nomads of North America.北美文学是今年艺术节的主题。North American literature is the main theme of this year's ...
This could intensify the risk of a nuclear exchange.这可能会加剧爆发核战争的危险。During the turmoil in the foreign-exchange markets the guilder remained strong.荷兰盾在外汇交易市场的动荡中保持坚挺。They exchange traveller's cheques at a different r...