grade upɡreidʌp短语¹⁴⁴⁹⁷²⁺² 基本例句 n.上坡 The devastated Chinesemother would then get dozens, maybe hundreds of practice tests and work through them with her child for as long as it takes to get the grade up to an A. 然后气急败坏的中国妈妈会找来几十份，甚至几百份练习卷，和孩子一起都做，直到孩子拿个A回来。 yeeyan