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》

He is a philologist, specialising in American poetry.

他是专攻美国诗歌的语文学家。

youdao

He is a philologist, specialising in American poetry.

他是专攻美国诗歌的语文学家。

youdao