Noun:

1. a leading or paramount power

heizev.升起；举起hepron.他；任何人n.男人；雄性动物He is cruel to animals.他对动物很残忍。He was killed with famine他死于饥荒。He knocked on the door.他敲门。He slept a sound sleep.他酣睡了一觉。He earthed up the rose.他给玫瑰培土。He funnelled his hands.他把手弄成漏斗状。He has a jade workshop.他有一个玉器工厂。He whipped off his cap.他一把扯下帽子He takes time to speak.他讲话慢吞吞的。He studied them curiously他好奇地研究着他们。

1. Brazil evidently sees it as an extension of Nafta, with the US playing the hegemon.
   显然，巴西将美洲自由贸易区视为北美自由贸易协定的延伸，美国仍在其中扮演霸主角色。