upendʌp'end英式朗读美式朗读基本解释v. 颠倒, 倒放英文释义v. become turned or set on end v. set, turn, or stand on end词形变化过去式upended过去分词upended现在分词upending第三人称单数upends上一个单词：upe下一个单词：upended