Correct
日积月累
/ rì jī yuè lèi /
Strokes
Definition
to accumulate over a long period of time
Example
Definition
accumulate day by day and month by month; by gradual accumulation
1
Xuéxí
学习
shì
是
rìjīyuèlèi
日积月累
de
的
guòchéng
过程
。
Learning is a process of accumulation.