两个月用英语怎么写

　　It was the second air disaster in the region in less than two months.

　　这已经是该地区不到两个月内的第二次空难了。

　　The election date had to be brought forward by two months.

　　选举日期必须提前两个月。

　　Each year two teachers are seconded to industry for six months.

　　每年有两名教师派到产业部门工作六个月。