fifth
US /fɪfθ/
UK /fɪfθ/

1.
第五
constituting number five in a sequence; 5th
:
•
She finished fifth in the race.
她在比賽中獲得第五名。
•
Today is the fifth of May.
今天是五月五日。
1.
五分之一
one of five equal parts of a whole
:
•
A fifth of the students were absent.
五分之一的學生缺席了。
•
He drank a fifth of whiskey.
他喝了五分之一的威士忌。