sturdy
https://source.unsplash.com/featured/?sturdy#.png
/suto3/google.iconsturdy
/suto3/Google画像検索.iconsturdy
/suto3/Google定義検索.icon sturdy
/suto3/wikipedia.iconsturdy
/suto3/weblio.icon sturdy
/suto3/kotobank.icon sturdy
/suto3/jisho.icon sturdy