Vocabulary consisting only from characters you are able to read
論点
ronten
point in question (at issue)mix
角形
kakukei
(1)(N)-cornered polygon, incl. triangle, (2)Japanese rectangular envelope (opening on the short dimension; numbered 0-8, A3, A4, each with different sizes); mix
投入
tounyuu
(1)throwing (e.g. something into somewhere), (2)investment, putting in (personnel, etc.), (3)release of a product, (4)making (an electrical circuit) suru