The arrowheads are indeed scary things, with a lead content as high as 7.71%, which made them lethal. These were the first poisonous arrowheads ever discovered in human history.

• 秦国的箭镞更加神奇，它的含铅量高达7.；71%25。 这种有毒物质的介入，大大提高了武器的杀伤力，是人类历史上首次发现的有毒箭头。