U 開頭單詞
upheaval leveling [交通運輸工程]鏟除擁包
upheaval n.向上的運動；劇變；動亂
uphearal 隆起
upheaped adj.堆積的累積的.積聚的.
upgust 上升陣風
upgrowth n.生長；發(fā)育；發(fā)達
upgrading offspring of boer goat [農(nóng)業(yè)科學]波爾山羊雜交后代
upgrading n.提升；濃縮動詞upgrade的現(xiàn)在分詞.
upgrades vt.升級；提高；改善adv.向上地n.升級；上坡
upgraders 專升本學生
upgrader 質(zhì)量改善裝置, 提高質(zhì)量的裝置
upgraded adj.提高的；改善的動詞upgrade的過去式和過去分詞形式.
upgradeable adj.可升級的
upgradeability 可升級性
upgrade-modification 升等改造
upgrade oneself 提升自我
upgrade kit 擴充成套