下课啦

网友回答：

and there are students climbing. they have a good time. "ding zero......" class，同学们一上一下玩得可开心啦，有同学在爬高，“丁零零……”上课了，下课啦，"ding zero......" class is over. the playground is really busy！操场西边有一群同学在踢足球， and a pair of seesaw in the east of the playground. the stud

温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。