1. Paedology is the branch of medicine that deals with the medical care of infants, children, and adolescents.
小儿医学是一门研究婴幼儿、儿童和青少年医疗保健的医学分支。

2. The study of paedology involves diagnosing and treating various diseases and disorders that affect children's health.
从事儿科学的研究包括诊断和治疗影响儿童健康的各种疾病和障碍。