common language
lingua franca
/suto3/google.iconcommon language
/suto3/Google画像検索.iconcommon language
/suto3/Google定義検索.icon common language
/suto3/wikipedia.iconcommon language
/suto3/weblio.icon common language
/suto3/kotobank.icon common language
/suto3/jisho.icon common language