什么是创伤性事件？
Is the cause of PTSD simply a traumatic event?
1ptsd是单纯由创伤事件引发的么？
This traumatic event would stay with us for years.
这次可怕事件让我们害怕了好几年。
Back injuries are typically the result of a single traumatic event.
背部受伤通常是一个单一的创伤事件的结果。
Back injuries are typically the result of a single traumatic event.
背部受伤通常是一个单一的创伤事件的结果。
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