音标：['^reidә] ；

n. 把东西分类别的人/机器, 平路机, 推土机

n. a judge who assigns grades to something

词型变化：名词复数形式 : graders

词性分布：

名词100%

grader的用法和样例：

例句

用作名词(n.)

This paper introduces the lower bear's improvement of screw grader.文章介绍螺旋分级机下部轴承的改造实践。
The movie tells the story of fifth grader Jesse Aarons.电影讲述了五年级学生杰西·阿伦斯的故事。
I remember, as a third grader, visiting my great-grandmother.我还记得上三年级时，去拜访我的祖母。

词汇搭配

land grader灌木清除机,除荆机...
weight grader重量分级机
apple grader苹果分级机
egg grader蛋分级机
slope grader斜坡平路机,平坡机...
potato grader马铃薯分选机,马铃薯...
truck grader卡车式平地机...
elevating grader升降式平路机...
road grader筑路机
drawn grader拖式平地机
rotary grader旋转式分级机...
nut grader坚果分级机
patrol grader巡路平地机
blade grader平路机,刀片式平地机...
snow grader推雪机
scraping grader刮板式平路机,刮土平...
corn grader玉米分级机
pull grader拖拉机平地机...
shoulder grader平肩机,路肩用平地机...
motor grader自动平路机,自动平地...

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学英语单词

additional necessary condition

AHSA

ammonium stannic chloride