用作定语
▲～+n.
I take two monthly magazines.我订两种月刊。
The rent on his apartment was his biggest monthly expense.他的房租是每个月最大的开支。

monthly也可用作副词,意为“一月一次地”。例如:
He comes here monthly.他每个月到这里来一次。
monthly还可用作名词,意思是“月刊”。例如:
“Fortune” is a monthly.《财富》杂志为月刊。