month by month
成語所屬單字month
month by month — 慣用語
1. gradually as each month passes; showing a change that accumulates over several m
1.慣用語
釋義
逐月；每個月地
gradually as each month passes; showing a change that accumulates over several months.
例句
The librarian watched the children's reading skills improve month by month.
The company's sales grew month by month throughout the autumn.