"It"指的是今年的二月份。用英语说就是 "February of this year"。
"February"来源于拉丁语 "Februarius"，意为“清洁月”或“洁净月”。
例句1:
"I will be going on vacation in February of this year."
（我将在今年二月份度假）
例句2:
"I have a meeting scheduled for the first week of February of this year."
（我安排了今年二月份第一周的会议）
例句3:
"This year's Valentine's Day falls on February 14th"
（今年情人节是2月14日）