关于冬天天气的英语回答，可以参考以下结构化表达：
基础描述
- It's cold. / The weather is cold.
- It's freezing. / The weather is freezing.
补充说明
- It's snowy. / The weather is snowy.
- It's windy. / The weather is windy.
- The temperature may drop to negative degrees （e.g., -10°C）.
地区差异
- In London, it's cold with wind and rain, but indoor heating keeps us warm.
- In Beijing, winters are harsher with temperatures often dropping below 0°C, requiring羽绒服 and thick clothing.
完整回答示例
*In winter, the weather in London is cold, windy, and rainy. We usually wear coats, scarves, and gloves, and rely on indoor heating. In Beijing, it's much colder with temperatures often dropping to -10°C, so we need to wear羽绒服， thermal underwear, and防风外套.*
通过以上表达，可以全面描述冬天的天气特征，并根据具体地区补充相关细节。