海岸

• Pinyin: hǎi àn
• Hanzi breakdown: 海 = 氵(water) + 每 (every) — the vast water; 岸 = 山 (mountain) + 厂 + 干 — the elevated edge of a landmass

Meaning

Coastline; the coast — the boundary zone where land meets sea.

A geographic and administrative term referring to the coastal strip of land. Used in environmental science, military strategy, tourism, and literature. Distinct from 海边 (the seaside in everyday speech) by being more formal and often larger in scale.

Examples

1. 这段海岸线绵延数百公里，拥有丰富的海洋生物资源。 This stretch of coastline runs for hundreds of miles and is rich in marine life.
2. 政府投入大量资金用于海岸侵蚀的防护与修复工程。 The government has invested heavily in projects to protect and restore areas affected by coastal erosion.
3. 夕阳西下时，海岸边的礁石在余晖中呈现出迷人的金红色。 As the sun set, the rocks along the coast glowed a captivating golden red in the fading light.

Usage Guide

Context: geography, environment, military, tourism

Tone: neutral

Do Say

• 该国拥有漫长的海岸线，为发展渔业和港口经济提供了得天独厚的条件。(The country has a long coastline, providing unique natural advantages for developing fisheries and port economies.)
• 海岸带综合管理是当前可持续发展政策中的重要议题。(Integrated coastal zone management is an important topic in current sustainable development policy.)

Don't Say

• 我们去海岸玩 — for casual recreational use say 我们去海边玩; 海岸 is preferred in formal geographic or policy contexts

Origin & History

海 (sea, ocean) + 岸 (bank, shore)

Cultural Context

Generation: All ages

Social background: Universal