Vocabulary consisting only from characters you are able to read
討つ
utsu
(1)to shoot (at), (2)to attack, to defeat, to destroy, to avenge godan, verb
円の表面積は2πrである。
en no hyoumenseki ha 2paia-ru dearu.
Surface area of a circle is 2πr.math
大都市
daitoshi
metropolis, large citymix
宝物
takaramono
treasure, treasured itemmix