grader ['ɡreɪdər]

例句:

• She felt like a fifth-grader who had snitched on a classmate.
  她觉得自己就像一个告发了同班同学的五年级学生。
  
• Paul is a bright, athletic fourth - grader.
  保罗是个伶俐 、 爱活动的四年级学生.
  
• Again, after the lumber has been separated, the grader assigns a grade.
  木材分开后, 分级工再次标记等级.
  
• Or your syntax is excellent for a third-grader.
  来自SA
• Crishad, an eighth grader, could not read a word.
  来自NEWYORKER
• They see it as asking a second grader to read Ulysses.
  来自NEWYORKER