twenty-one
US /ˌtwen.t̬iˈwʌn/
UK /ˌtwen.tiˈwʌn/
數詞
二十一
the number equivalent to the sum of twenty and one; one more than twenty
範例:
•
She turned twenty-one last month.
她上個月滿二十一歲了。
•
There are twenty-one students in the class.
班上有二十一名學生。