氪krypton; krypton (chemistry)Strokes11PinyinkèParts气air, gas克to subdue, to restrain, to overcomeWords with 氪氪肝kè gān · kegan(slang) to put in long hours, typically late into the night, playing a video game (rather than pay for power-ups)氪金kè jīn · kejinto make an in-app purchase in a game氪气石kè qì shí · keqishikryptoniteStudy it in Yanamino