来自《耶鲁大学开放课程：1871年后的法国 第14集 第14集》

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  And that's exactly what happens in World War I;
  一战的情况便是如此
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  and that is, to make a very long story, complicated story,
  把这个复杂曲折
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  and sometimes overly-simplified story very short,
  有时又过分简化的形势一言概之:
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  that's exactly what happens on the Western Front is that the
  西线上刀锋 铁铲
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  spade and the shovel, along with the machinegun,
  防御所用的机关枪
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  which is a defensive weapon, along with ultimately gas and
  汽油和火焰喷射器
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  flamethrowers-- there were new ways of dying too--
  -各种各样的新死法-
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  become the weapons of the war, along with artillery,
  纷纷效力于战争 还有大炮
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  and artillery kills more people than any other weapon,
  大炮的杀伤力最强
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  followed by machineguns.
  其次是机关枪
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  And, so, basically, as you can see from this map,
  如地图所示
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  that the trenches go all the way from Switzerland,
  战壕从瑞士延伸到