温差 wēnchà difference in temperature
怎么记住“温差”: 温 warm + 差 differ from = difference in temperature.
汉字
用法
- Means the temperature difference/range - 昼夜温差大 (zhòuyè wēnchà dà) a big day-night temperature swing.
- Weather and science contexts; the gap between high and low temperatures.
- Common travel advice: 早晚温差大，注意保暖 (big morning/evening temperature gap, dress warmly).