grind upɡraindʌp高短语⁶³⁵³¹ 基本例句 磨碎 The Camarasaurus had a very good digestive system; it would swallow gizzard stones to help grind up the tough vegetation that it would eat. 卡玛拉龙有个非常强壮的消化系统，它会吞下砂石来帮助消化胃里其它坚硬的植物。17xie We grind up the wheat to make flour. 我们把小麦磨成面粉。118cha