boundary
1.N-COUNT 可数名词（土地的）分界线，边界 The boundary of an area of land is an imaginary line that separates it from other areas.
【搭配模式】：oft Nof/between n
...the Bow Brook which forms the western boundary of the wood...
构成了这片树林西部边界的鲍溪
Drug traffickers operate across national boundaries.
贩毒分子进行跨国贩毒活动。
2.N-COUNT 可数名词（学科或活动的）界限，边界 The boundaries of something such as a subject or activity are the limits that people think that it has.
【搭配模式】：usu pl
The boundaries between history and storytelling are always being blurred and muddled.
历史和轶闻的分界向来是模糊而混乱的。
...extending the boundaries of press freedom.
扩大新闻自由的界限
