我们班有些男生参加足球俱乐部已经一年了。

Some boys in our class have been in the football club for a year.

youdao

美国经济陷入衰退已经一年。

S. economy has been in recession for one year.

youdao

到目前为止我已经一年没有服用抗抑郁药了。

I haven't taken antidepressants for a year now.

youdao

I only had one year left of university, it was too late to, to change from... to a too different subject,

我还有一年就要毕业，所以已经来不及换专业了，

换专业的理由 - SpeakingMax英语口语达人

She had been trying to teach herself piano for a year

她已经努力自学了一年的钢琴，

和钢琴老师 - SpeakingMax英语口语达人