thirty-first
短语第三十一
词形变化
thirty-firsts
复数
thirty-firsts
别名
31st
释义与例句
n.
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1.
One of thirty-one equal parts of a whole.
A thirty-first of 620 is 20.
adj.
-
1.
The ordinal form of the number thirty-one, describing a person or thing in position number 31 of a sequence.
The answer appears on the thirty-first page of the book.
She finished thirty-first in the race.