十一

十一

"十一" means "eleven" in English.

In this sentence, '十一' is used as a numeral to express the quantity 'eleven'.

昨天我买了十一个苹果。

Yesterday I bought eleven apples.

Here, '十一' is used to denote the eleventh month of the year, which is November.

今天是十一月的第一天。

Today is the first day of November.

'十一' in this sentence is used as an abbreviation or cultural reference for 'October 1,' narrating the name given to China's National Day.

国庆节在每年的十月一日，所以大家把这一天叫做十一。

National Day is on October 1st every year, so people refer to this day as 'the tenth day.'