khaki

n [U], adj (cloth of a) dull brownish-yellow colour, used esp for military uniforms 土黄色（的）, 卡其布（的）（尤指用做军服的）.

kernel, kerosene, kerosene, kerosine (also kerosine), kestrel, ketch, ketchup, kettle, kettledrum, key, key (also cay), key money, key signature, key-pad, key-ring, keyboard, keyhole, keynote, keystone, KG, KGB, kHz, kibbutz, kibbutznik, kick, kick-off, kick-start, kickback, kicker, kid, kid-glove, kid...into doing, kiddy (also kiddie), kidnap, kidnaper, kidnapper, kidnapping, kidney, kidney bean, kidney machine, kill,