Vocabulary consisting only from characters you are able to read
日の丸
ひのまる
(1)outline of the sun (esp. represented as a red circle)/ (2)(abbr) the Japanese flag/(P) leda1
変数
へんすう
variable (e.g. math), parametermix
取り上げる
とりあげる
(1)to take up, to pick up, (2)to accept, to adopt, to listen to, (3)to disqualify, to confiscate, to deprive, (4)to adopt (child) ichidan, verb, vtrans