低温 dīwēn low temperature
How to remember 低温: 低 low + 温 warm = low temperature.
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How it is used
- 低温 (dīwēn) means 'low temperature' and is used attributively before a noun or as a technical term: 低温天气 (dīwēn tiānqì) - cold weather; 低温保存 (dīwēn bǎocún) - store at low temperature (refrigeration instructions).
- It's common on food packaging, weather forecasts, and lab/technical instructions rather than in casual complaints about the cold - for 'it's cold today' people just say 今天很冷.
- Paired opposite: 高温 (gāowēn, high temperature) - the two form a common weather/science vocabulary pair, 高温天气 (gāowēn tiānqì) very hot weather.