grader

FREQ #25344

n. 把东西分类别的人/机器, 平路机, 推土机

发音

US /ˈɡɹeɪdɚ/
UK /ˈɡɹeɪdə/

词形变化

graders 复数 graders

释义与例句

n.
  1. 1.

    A machine used in road maintenance, construction, and mining for leveling large surfaces.

  2. 2.

    A machine used to sort food by size or quality.

  3. 3.

    One who grades, or that by means of which grading is done or facilitated.

    the graders of a school examination

  4. 4.

    One who belongs to a certain grade at school.

    a first-grader

词汇关系

名词

上位词 1

critic

下位词 2

woolsorter wool stapler

相关短语

seventh grader 七年级生 third grader reserve grader first grader second grader fourth grader fifth grader sixth grader eighth grader ninth grader tenth grader eleventh grader twelfth grader thirteenth grader 1st grader

词源

From grade + -er (agent noun suffix) or + -er (measurement suffix) (sense 4).

来源：wiktionary