noun 下载 🔗分享 平地机， 推土机 A machine used in road maintenance and construction for leveling large surfaces. Examples : "The road crew used the graders to smooth out the bumpy stretches of the new highway. " 筑路队用平地机把新高速公路上那些坑洼不平的路段压平了。 machine vehicle building technology industry 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 评分者，阅卷人. One who grades, or that by means of which grading is done or facilitated. Examples : "Sentence: The teachers acted as graders, carefully marking each student's test. " 老师们担任阅卷人，认真地批改每个学生的试卷。 education job work 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 年级学生 (in combination) One who belongs to a certain grade at school. Examples : "a first-grader" 一年级学生 age education person group 与AI对话词汇游戏阅读练习
