kr.
n. a colorless element that is one of the six inert gasses; occurs in trace amounts in air 同义词：kryptonKratomic number 36
a communist organization formed in Cambodia in 1970; became a terrorist organization in 1975 when it captured Phnom Penh and created a government that killed an estimated three million people; was defeated by Vietnamese troops but remained active until 1999 同义词：Khmer RougeKRParty of Democratic KampucheaCommunist Party of Kampuchea