四十五年来 Forty Five Years
五十年来 My Fifty Years
十五年来
For fifteen years
以上为机器翻译结果，长、整句建议使用 人工翻译 。
这次特殊的聚会是她们十五年来第一次重聚。
This special reunion is their first time together in almost fifteen years.
youdao
其中有两个人十五年来几乎没有错过一次。
Two of them had missed scarcely a night in fifteen years.
十五年来，科学家们一直在训练蜜蜂以其它方式帮助我们。
For 15 years, scientists have been training bees to help us in other ways.
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