Vocabulary consisting only from characters you are able to read
The sum of inner angles of a triangle is π.math
殺生
せっしょう
(1)killing, destruction of life, (adj-na) (2)barbarous, callous, brutal, cruel suru
表す
あらわす
(1)to reveal, to show, to display, (2)to express, (3)to represent, to signify, to stand for, (4)to make widely known godan, jlpt3, verb, vtrans
明太子
めんたいこ
walleye pollack roe (generally served salted and spiced with red pepper)ryouri
引きこもり
ひきこもり
(1)a shut-in, a stay-at-home, people who withdraw from society (e.g. retire to the country), (2)social withdrawal, shunning other people mix