His name is Kaing Guek Eav, a former maths teacher, but in Cambodia he is known everywhere simply by his revolutionary nom-de-guerre, Duch.是什么意思_His name is Kaing Guek Eav, a former maths teacher, but in Cambodia he is known everywhere simply by his revolutionary nom-de-guerre, Duch.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句