She was just short of her 90th birthday when she died.

她去世时就快过90岁生日了。

《牛津词典》

He died before Christmas, only a month shy of his 90th birthday.

他在圣诞节前去世了，仅差一个月就满90岁。

《牛津词典》

Hundreds of people attended Yuan's 90th birthday celebration.

数百人参加了袁先生的90岁生日庆祝活动。

youdao

Junior Achievement is celebrating experience T-shirts, its 90th anniversary this year.

VOA: standard.2009.12.04

The most famous part of Fifth Avenue is probably in the 80th and 90th

第五大道最有名的部分可能是在第八十和第九十街，

第五大道的另一面 - SpeakingMax英语口语达人

When you get up into the 80th and 90th, it's residential and cultural.

走进第八十街和第九十街，你会看到有着浓厚文化底蕴的住宅区。

第五大道的另一面 - SpeakingMax英语口语达人

Her conversation with him on his 90th birthday was the last official interview he gave.

CNN: About

"It was a disappointing performance from the first minute to the 90th, " Nelsen said.

WSJ: Cahill scores twice to lift Red Bulls at Toronto

By the time he and I had talked, Ford was in his 90th year.

NPR: A Stroke Couldn't Stop Gerald Ford