boundary: n.边界，疆界，限界 (between);(球场)边线；界标；界限，范围，分野。 aboundary dispute 边界纠纷。 the boundary between Canada and the United States 美加国界。 boundaries on all sides 四方辐辏之所，四通八达。
culture: n.1.教养；修养；磨炼。2.文化，(精神)文明。3.人工培养，养殖；培养菌，培养组织。4.耕作；栽培；造林。短语和例子a man of culture 有教养的人，文化人。 culture of mind and body 身心修养。 intellectual [moral, physical] culture 智[德、体]育。 culture of cotton 棉花栽
