They were slowly perfected, at least to the level of World War One.

它们逐渐完善至少完善到一战的程度
And they, after shelling, after these big shells launching

开枪之后
tens of thousands of shells-- when they're softening up the

成千上万的子弹飞射而出挫伤了
opponent as to where they're going to go;

你的目的地敌军阵营
these things go on for days.

日复一日的扫射
And that's where-- the whole syndrome of shellshock is

弹震综合症便是由此而来
a term that comes out of World War One, too,

它也是一战产生的专有名词
because a lot of people-- there are all sorts of estimates

很多人尝试估算
about how many people really lost their mental capacity because of all of this.

因此而神志不清的人数
But not only new ways of dying, but new ways of just having your

一战不仅创造了新的死法也提供了
head exploding time, and time, and time again;

新的让人的精神反复崩溃的方式
living among dead bodies; comrades who have disappeared;

生活在死尸中时刻都有消失的战友