grader

学年の生徒

特定の学年にいる生徒で、通常は数字を添えて学年を示す。

やさしい英語で： A student in a particular year of school, usually stated with a number.

• My daughter is a first grader.
• The sixth graders visited the museum.
• Every second grader received a new reading book.

類義語： pupil, student

よく使う表現： first grader, third grader, fifth grader

グレーダー

刃で道路や地面を平らで滑らかにする大型機械。

やさしい英語で： A large machine with a blade that makes roads or areas of ground level and smooth.

• A grader smoothed the road.
• The driver used a grader to level the ground.
• Two graders were working on the gravel track.

よく使う表現： motor grader, road grader

採点者、採点器

点数を付けたり、作品などの質を評価したりする人や道具。

やさしい英語で： A person or tool that gives marks or judges the quality of work or other things.

• The grader checked my answers.
• Two graders gave the essay different scores.
• An automatic grader marked the online test.

類義語： assessor, marker

よく使う表現： exam grader, automatic grader, essay grader

選別機

食品を大きさや品質に応じてグループに分ける機械。

やさしい英語で： A machine that separates food into groups according to size or quality.

• The grader sorts apples by size.
• We bought a new potato grader.
• The factory’s graders separate damaged fruit from healthy fruit.

類義語： sorting machine

よく使う表現： potato grader, fruit grader, egg grader