He was much excited, without either his gun or his hat, and his right hand and sleeve were observed to be stained with fresh blood.
他当时十分激动，既没带枪也没戴帽子，他们看到他的右手和袖子上都沾有新鲜的血迹。
2
Most of studies overlooked sleeve type ejection gun and the effect of pressure area changes, simultaneously the models of ejection gun were lack of extensity.