講解文字:
bone up 抓緊溫習,突擊鑽研,(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!
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