ninetieth
柯林斯词典
1. ORD The ninetieth item in a series is the one that you count as number ninety. 第90
He celebrates his ninetieth birthday on Friday. 他周五庆祝他的90岁生日。
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ninetieth /ˈnaɪntɪɪθ/
剑桥词典
- 90th written as a word
第九十（的） 返回 ninetieth
第九十（的） 返回 ninetieth