https://online2.tingclass.net/lesson/shi0529/0009/9907/317.mp3
https://image.tingclass.net/statics/js/2012
講解文本:
bone up 抓緊溫習,突擊鉆研,(考試)臨時抱佛腳
Jack is boning up for his finals.
Jack為應付期末考試在突擊學習呢。
I need to bone up on my driving skill.
我需要加緊練習開車技術了。
瘋狂練習吧!