常温 chángwēn room temperature
room temperature; ordinary temperatures
How to remember 常温: 常 often + 温 warm = room temperature.
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How it is used
- Room temperature / ordinary temperature: 常温保存 (chángwēn bǎocún) store at room temperature, 常温奶 (shelf-stable milk).
- Practical term on food packaging and in science/storage instructions.
- Contrast 冷藏 (refrigerated), 冷冻 (frozen).