湿地 shīdì wetland
How to remember 湿地: 湿 wet + 地 ground = wetland.
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How it is used
- Means wetland - 湿地保护 (shīdì bǎohù) wetland conservation.
- Ecology/environment term for marshy, water-saturated land important for biodiversity.
- Contrast 沼泽 (zhǎozé, marsh/swamp, the terrain); 湿地 is the broader ecological category.