边疆 biānjiāng border area
border area; borderland; frontier; frontier region
How to remember 边疆: 边 side + 疆 border = border area.
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How it is used
- The frontier - a country's remote outer border regions - 保卫边疆 (bǎowèi biānjiāng) to defend the frontier.
- Carries a broad, patriotic, often vast connotation (支援边疆建设 support developing the frontier); think Xinjiang, Tibet, border provinces.
- 边疆 is the sweeping frontier land; 边境 is the narrow strip right along the boundary; 边界 is the line. 边疆 is the grandest and most emotive.