philologist

1. He is a philologist, specializing in American poetry.
他是专攻美国诗歌的语文学家。

《柯林斯英汉双解大词典》

2. He is a philologist, specialising in American poetry.
他是专攻美国诗歌的语文学家。

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3. He is a philologist, specialising in American poetry.
他是专攻美国诗歌的语文学家。

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