PTSD
abbreviation/ˌpiː tiː es ˈdiː/
/ˌpiː tiː es ˈdiː/
(medical)- post-traumatic stress disorder(= a mental illness following a very frightening or shocking experience, which usually involves feeling anxious and depressed and having frightening thoughts)
创伤后应激障碍（= 经历过非常可怕或令人震惊的经历后出现的精神疾病，通常包括感到焦虑和抑郁以及产生可怕的想法）