高年级
gāoniánjí
高年级 — gāoniánjí
- a higher grade or senior year in school; students in the upper grades (upperclassmen)
他是高年级的学生,常常帮助低年级的同学。 tā shì gāoniánjí de xuéshēng chángcháng bāngzhù dīniánjí de tóngxué — He is a student in a higher grade and often helps students in the lower grades.