Meaning of biān jiè:
biān jiè
边界
Noun
boundary; border
Liǎng guó zhī jiān de biān jiè fēi cháng cháng.
两国之间的边界非常长。
The boundary between the two countries is very long.
Guó jiā zhī jiān de biān jiè fēi cháng zhòng yào.
国家之间的边界非常重要。
Borders between countries are very important.