function germs

例句：

1. 1. The doctor advised us to wash our hands frequently to prevent the spread of germs.
   医生建议我们经常洗手以防止病菌传播。
2. 2. The new vaccine is designed to protect against a wide range of germs.
   新疫苗旨在保护免受广泛的病菌侵害。
3. 3. Germs can cause illnesses such as colds and flu.
   病菌可以引起感冒和流感等疾病。