boundary /'baʊnd(ə)rɪ/ n. 边界;界限;分界线:点击收听音频跟读 ↓↓↓ ↓↓↓ ↓↓↓
national boundaries
国界
英语解释:a real or imagined line that marks the limits or edges of sth and separates it from other things or places; a dividing line 边界;界限;分界线:
,
boundary /'baʊnd(ə)rɪ/ n. 边界;界限;分界线:点击收听音频跟读 ↓↓↓ ↓↓↓ ↓↓↓
national boundaries
国界
英语解释:a real or imagined line that marks the limits or edges of sth and separates it from other things or places; a dividing line 边界;界限;分界线:
,