month的复数形式为months，其意思是月、一个月的时间，常见词语搭配有last month：上个月；month by month：逐月；calendar month：日历月、历月；lunar month：朔望月、太阴月、阴历月份；sidereal month：恒星月；in a month of Sundays：遥遥无期、根本不会发生等。

相关例句：1、The system was introduced on a trial basis for one month.

这个制度已引进试行一个月。

2、The system has been in operation for six months.

这个系统已经运行六个月了。

3、It will be months before we get the results.

我们要等很长时间才能得到结果。

4、The patients were observed over a period of several months.

这些病人被观察了数月之久。

5、This issue has had a high profile in recent months.

近几个月来，这个议题一直是关注的焦点。