2, cold dew health knowledge.

3. Cold dew knowledge and information.

4. The meaning and symbol of cold dew.

1. First, keep your feet warm.

2. After the cold dew, the temperature gradually drops. It is not advisable to wear shorts, short sleeves and sandals to prevent cold air from invading the body, especially to keep your feet warm.

3. Add clothes at the right time.

4. After the cold dew, the weather turns cold. Old people, children and people with weak constitution need to keep warm and add clothes in time.