来自《耶鲁大学开放课程：欧洲文明 第17集》

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  I think it's 600 rounds a minute.
  我记得是 一分钟可以打六百发子弹
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  The Gatling guns had first been used in, I think,
  人们第一次使用格林机关枪
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  the American Civil War.
  我记得是在美国内战
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  But these are much more rapid firing.
  不过这些枪的射击速度要快的多
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  They aim basically at your knees.
  他们一般瞄准敌人的膝盖
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  They just sort of go back and forth, back and forth.
  他们就是来回扫射
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  Then barbed wire.
  之后是带刺铁丝网
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  One of the things that soldiers had to carry with them were wire cutters.
  士兵们参战时都要携带钢丝钳
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  Sometimes the wire cutters weren't equal to the task of cutting the wire.
  有时 钢丝钳并不仅仅用来割电线
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  It's hard to cut wire if people are firing machine guns at you as well.
  有人用机枪向你开火时 割电线很困难
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  That's why the trenches, which you'll see some real ones in a minute,
  一会让你们见识一下真正的战壕
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  are fairly elaborate defensive weapons.
  会成为精心设计的防守武器的原因