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 grader flattened the uneven patch of dirt in the backyard. " 平地机把后院那块凹凸不平的泥地压平了。 machine vehicle technology building industry 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 评分员,阅卷人 One who grades, or that by means of which grading is done or facilitated. Examples : "The teacher is the grader for all the students' math quizzes. " 老师是所有学生数学测验的阅卷人。 education job machine 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 education person 与AI对话词汇游戏阅读练习