先定境界boundary: n. 边界，疆界，限界 (between);(球场)边线 ...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。 boundary mark， boundary point: 界址点a boundary revision: 边界的修正a cut to the boundary: 切至边线的一击下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:antecednt boundary，即可在微信中查询翻译
