overlap

v. /ˌoʊ.vɚˈlæp/ B2

重叠；部分交叠

To cover part of the same area or happen at the same time.

仙境例句

The two lessons overlapped, so the young turtles studied Laughing and Grief at the same time.

两门课的时间重叠了，所以小海龟们只好同时上“笑”和“悲伤”。