He emigrated to the United States when he was seventeen years old, and was naturalized on his twentieth birthday.

他十七岁时移居美国，二十岁生日时就入籍了。

youdao

The collection has been built up over the last seventeen years.

这些收藏是在过去的17年里逐渐收集的。

《柯林斯英汉双解大词典》

Jenny is seventeen years old.

珍妮17岁。

《柯林斯英汉双解大词典》

Forty-four point four percent of all children between the ages of ten and seventeen years were obese or overweight.

VOA: special.2009.07.21

Two years later, in seventeen fifty-seven, he produced a small clock that he could hold in his hand.

VOA: special.2010.07.14

Nominees for these academies must be seventeen to twenty-three years old, unmarried and with no children.

VOA: special.2009.06.04

Seventeen years into its post-apartheid incarnation, South Africa is already on its fourth president.

WSJ: The Real Legacy of Nelson Mandela

We wonder as well, with our tongues halfway in our cheeks, whether seventeen-year-olds will want to spend four years, or three, or even two living with mom and dad and staring at a computer screen.

FORBES: MOOCs: A College Education Online?

Married at nineteen, with three children by twenty-seven, she had moved eighteen times with a grass-is-greener spouse, and then became divorced after seventeen years.

FORBES: Starting A Venture At Age 55+: The Data, The Winners, And William K. Zinke, Founder Of The Center for Productive Longevity