雅思口語話題題庫Concentration中的常用短語

以下是整理的《雅思口語話題題庫Concentration中的常用短語》，希望大家喜歡！
    •concentrate on
    •pay close attention to
    •keep one`s mind on
    •devote one`s mind to
    •be absorbed in
    •focus on
    •stay focused on
    •specialize on
    •centre on
    •stay on the ball
    •zero in on