U 开头单词
upheaval leveling [交通运输工程]铲除拥包
upheaval n.向上的运动；剧变；动乱
uphearal 隆起
upheaped adj.堆积的累积的.积聚的.
upgust 上升阵风
upgrowth n.生长；发育；发达
upgrading offspring of boer goat [农业科学]波尔山羊杂交后代
upgrading n.提升；浓缩动词upgrade的现在分词.
upgrades vt.升级；提高；改善adv.向上地n.升级；上坡
upgraders 专升本学生
upgrader 质量改善装置, 提高质量的装置
upgraded adj.提高的；改善的动词upgrade的过去式和过去分词形式.
upgradeable adj.可升级的
upgradeability 可升级性
upgrade-modification 升等改造
upgrade oneself 提升自我
upgrade kit 扩充成套