specialize inとは 意味・定義・例文
Phrasal verbs 句動詞
1. become expert in study something as one’s main subject at college or university; major in
～を専攻する, ～を専門にする
He is specializing in English literature at the university.
2. offer or have available for sale; deal in
～を専門的に取り扱う
This floor specialized in women's clothes.