ninetieth

/ˈnaɪntiəθ/ 11
The ninetieth item in a series is the one that you count as number ninety. 第90

numeral [序数词]第九十;九十分之一

He celebrates his ninetieth birthday on Friday.
他周五庆祝他的90岁生日。

adjective [原级]第九十的;九十分之一的

She was ninetieth in the competition.
她在那场比赛中排名第九十。

单词造句:
网友用“Ninetieth”造句精选
This is the ninetieth edition of this book. 这是本书的第九十版。