noun ダウンロード 🔗共有 実行者、行う人、主体 Someone who does, performs, or executes; an active person, an agent. Examples : "Maria is a doer; she doesn't just talk about problems, she actively works to solve them. " マリアは実行者です。彼女は問題について話すだけでなく、積極的に解決に取り組みます。 person human being character job action AIとチャット語彙ゲーム読解練習