她去年9月进行了自己第一次也是唯一一次的太空飞行。

She made her first and only space flight last September.

《柯林斯英汉双解大词典》

这是我第一次，我希望也是唯一一次，遇到作家瓶颈期——我有三年没写出任何东西。

For me it took the form of my first, and I hope only, encounter with writer's block—I was not able to produce anything for three years.

youdao

我是在空手道的第一次课上遇见伊丽莎白的，当时我是班上唯一一个新来的。

I met Elizabeth in my very first karate class. I was the only new kid in the class.

youdao