astronomy - the scientific study of stars and planets, physics - the scientific study of natural forces, such as energy, heat, light, etc, disease - an illness caused by an infection or by a failure of health and not by an accident, gravity - the force that makes objects fall to the ground or that pulls objects towards a planet or other body,

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?