YONGshIjIAoyU.CN 在线汉语字典降级jiàngjí
(1) 降低级别
英:reduce to a lower rank
(2) 从较高的年级下降到较低的年级
◎留级liújí
[be made to repeat a course at school;fail to go up to the next grade;stay down] 因学年成绩不及格留在原来的年级重新学习,不能升级
留级(liú jí)指的…