短语词组短語brush h up on 溫習;複習brush h up on sth 複習Brush up on technology 在技術方麪充電brush up on sth 複習;重新學習;重新溫習;溫習brush up on knowledge 充電brush up on review 複習;溫習brush up on something 複習brush up on detail 溫習複習 返回 brush up on