noun ダウンロード 🔗共有 定規 A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a straightedge with markings. Examples : "The carpenter used a ruler to measure the length of the wood carefully. " 大工は木の長さを慎重に測るために定規を使いました。 stationery utensil math device AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 支配者, 統治者 A person who rules or governs; someone or something that exercises dominion or controlling power over others. Examples : "The school principal is the ruler of the student body. " 校長は生徒たちの支配者です。 politics government royal nation AIとチャット語彙ゲーム読解練習
verb ダウンロード 🔗共有 定規で叩く To beat with a ruler (as a traditional school punishment). Examples : "The teacher ruled the student's hand with a ruler for misbehaving in class. " 先生は授業中にいたずらをした生徒の手を定規で叩いた。 education action history culture AIとチャット語彙ゲーム読解練習