If a soldier sees his friend blown up, his brain goes into such high alarm that he can't actually put the experience into words, so he just feels the horror over and over again.
Jika tentara melihat temannya tewas karena ledakan, otaknya akan sangat ketakutan yang tidak akan dapat digambarkan dengan kata-kata sehingga dia akan merasakan ketakutan itu terus menerus.