For ten years she dwelled among the nomads of North America.她在北美游牧民中生活了十年。North America is connected with South America by the Isthmus of Panama.巴拿马海峡把北美同南美连接起来.South America is joined to North America by a canal.南美洲和北美洲...

n.北美洲[地名] 北美洲（北亚美利加洲）...

North America的音标：...