Kr的中文意思、音标与词形变化

[医] 氪(36号元素)

n a colorless element that is one of the six inert gasses; occurs in trace amounts in air n 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