In 2017 he was attacked with an antiseptic green dye that damaged vision in one of his eyes.

2017年，他被一种绿色防腐染料袭击，损伤了一只眼睛的视力。

This year even the President of the United States joined in the fun by adding green dye to the fountains in the White House gardens.

今年，就连美国总统也加入了这一欢乐节日，他在白宫花园的喷泉中加入了绿色染料。

In 1775, Swedish chemist Carl Wilhelm Scheele developed copper arsenate, an intense, yellow-green pigment that was more brilliant and longer-lasting than any other green dye.

1775 年，瑞典化学家卡尔·威廉·舍勒 (Carl Wilhelm Scheele) 发明了砷酸铜，这是一种浓郁的黄绿色颜料，比任何其他绿色染料都更鲜艳、更持久。

German scientists soon improved on Scheele’s recipe by inventing an even more vivid green dye -- copper acetoarsenite, commonly known as Emerald Green or Paris Green.

德国科学家很快改进了舍勒的配方，发明了一种更加鲜艳的绿色染料——乙酰亚砷酸铜，通常称为翡翠绿或巴黎绿。