“我在这里已经很久了。”玛丽说。

"I have been here a long time," said Mary.

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老板答应给员工加薪已经很久了，但什么也没发生。

The boss promised the employees a rise in salary for ages, but nothing has occurred yet.

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亨利离开家已经很久了，他很少见到家人。

Henry was away from home for quite a bit and seldom saw his family.

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And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.

科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战

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It's been a while since I've been doing that because I haven't had as much free time as I would have liked.

我已经很久没有播报了。因为我最近都没有太多的空余时间。

广播人员怎么样？ - SpeakingMax英语口语达人

We've known since antiquity that you could take gold, and you can hammer to very, very thin foil.

我们已经知道很久以前，人们就能用锤子把金敲成非常非常薄的箔片。

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