unipolar system
polarity
/suto3/google.iconunipolar system
/suto3/Google画像検索.iconunipolar system
/suto3/Google定義検索.icon unipolar system
/suto3/wikipedia.iconunipolar system
/suto3/weblio.icon unipolar system
/suto3/kotobank.icon unipolar system
/suto3/jisho.icon unipolar system