ruler

定規

目盛りがあり、長さを測ったり直線を引いたりするまっすぐな道具。

やさしい英語で： A straight tool with marked distances, used to measure lengths or draw straight lines.

• Use a ruler to draw the line.
• My ruler is thirty centimeters long.
• Have you seen my ruler?

よく使う表現： a plastic ruler, use a ruler, wooden ruler, draw with a ruler

統治者、支配者

国や人々の集団を治めたり、支配したりする人。

やさしい英語で： A person who controls or governs a country or group of people.

• The king was a cruel ruler.
• She was the first female ruler of the country.
• The people wanted a new ruler.

使い方： ruler of something (She became the ruler of a small kingdom.)

類義語： leader, sovereign

よく使う表現： powerful ruler, ruler of something, absolute ruler