Читать книгу What Are Germs and Why Do They Make You Sick? | A Children's Disease Book (Learning About Diseases) - Baby Professor - Страница 3
ОглавлениеOh, my! Germs are around us. They are there, beside you, in front of you, and everywhere. But we can’t see them. They are either good or bad. Although not all are harmful, we still have to be very, very careful.