Its leap - if not dodged - is not precisely fatal to its prey , for once the headcrab has attached itself to the skull of a human host , there commences a swift and horrible process of & quot; zombification & quot; which gives the host a continued existence of the most objectionable sort 它們的跳躍?如果沒有遭到閃避?是不會確實地摧毀其獵物,只要頭蟹附上一個人類宿主的腦袋,就會著手于一個快捷且可怕的程序“僵尸化” ,使宿主以一個極不愉快的方式繼續生存。