My cousin was diagnosed with PDD when he was three.
我表弟三岁时被诊断为广泛性发育障碍(PDD)。
In older clinical reports, the label PDD was sometimes used broadly, which can make earlier case histories hard to compare with today’s ASD-based terminology.
在较早的临床报告里,PDD 这个标签有时被用得很宽泛,这会让旧病例记录难以与如今以 ASD 为核心的术语体系直接对照。