sharpening upˈʃɑ:pəniŋʌp短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 体减量练习 A bit of time spent sharpening up your writing skills combined with your interest in gaming and a desire to share your knowledge with others can easily add up to a great job! 花一点时间提高你的写作技术，加之对游戏的兴趣，以及与他人分享的渴望，便可轻松获得这项给力的工作！ yeeyan