底层 dǐcéng ground floor
ground floor; first floor; lowest level; lowest rung (of society etc)
How to remember 底层: 底 bottom + 层 layer = ground floor.
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How it is used
- The ground floor, or the lowest tier of society - 社会底层 (shèhuì dǐcéng) the bottom rung of society.
- Also technical 'the underlying layer': 底层代码 (dǐcéng dàimǎ) the low-level/underlying code.
- The 层 (layer) grounds it; sociopolitical use is very common in describing the underprivileged.