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same age
彼とは同じ年に生まれた。
I was born in the same year as him.
同じ年の友達と話が合いやすい。
It's easy to get along with friends of the same age.
同じ年に入社した仲間は今も連絡を取っている。
I still keep in touch with colleagues who joined the company the same year.