Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
一次関数 ičidžikansuu linear functionmath
失効 šikkou lapse, abatement, invalidationsuru
今から imakara from now ontoki
記念 kinen commemoration, memorysuru
刺さる sasaru to stick, to be stuckgodan, jlpt3, verb, vintrans