Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
数学モデル suugakumoderu mathematical modelmath
午前 gozen morning (before noon), A.M.jlpt5, leda1, toki
光子 koushi photonmix
回る mawaru (1)to turn/to revolve/ (2)to visit several places/ (3)to function well/ (4)to pass a certain time/(P) godan, verb, vintrans
本年 honnen this (current) yearjlpt3, toki