[=physical education]体育

[=pediatric]儿科的
[=pediatrician]儿科医生
[=pediatrics]儿科学
[=peduncle(cerebral)]大脑脚
[=pharyngoesophageal diverticulum]咽食管憩室
[=pollution and environmental degradation]污染和环境退化
[=post-entry day]入院后天数
[=post-excitatory depression]兴奋后抑制
[=postexertional dyspnea]用力后呼吸困难
土壤自然结构体

土壤,足,脚,基,幼,未成熟,儿童

[=pedestrian]徒步的,步行的