until
until/ənˈtil/prep.&conj.1.直到(用于肯定句,与延续性动词连用,表示动作延续到某时):We worked until supper time.我们一直工作到吃晚饭的时间。Let’s wait until the rain stops.让我···
unusual
unusual/ʌnˈju:ʒuəl/adj.1.不平常的,少有的:a scene of unusual beauty异常美丽的景色Such cold weather is quite unusual.这样冷的天气是少有的。2.与众不同的,独特的:unusual thinkin···
unveil
unveil/ʌnˈveil]/vt. 1.揭去面纱;(揭幕仪式)揭开蒙布:The memorial to those who had died in the war was unveiled in 1948.为战争中死去的人树的纪念碑是在1948年揭幕的。2.使公布于众:···
unwilling/unwillingness
unwilling/ˌʌnˈwiliŋ/adj.([反]willing)不情愿的,不愿意的:unwilling admiration勉强的赞美;be unwilling to do sth.不愿干某事unwillingnessn. [u]不情愿,勉强:Her unwillingness t···
unworkable
unworkable/ˈʌnˈwə:kəbl/adj.不能实行的;(材料)难以加工的:an unworkable scheme行不通的计划The alloy becomes brittle and almost unworkable.合金变脆几乎不能加工。
up
up/ʌp/ I.adv.1.向上,起来:to jump (hang, pull, sit) up跳起(挂上,拉上,坐起来) 2.在高处:The office is up on the top floor.办公室在顶层。3.增大:Prices are going up.物价在上涨。T···
upcoming
upcoming6/ˈʌpˌkʌmiŋ/adj.即将来到的,即将出现的:the upcoming election即将举行的选举We shall be attending the upcoming concert.我们要去听即将上演的音乐会。
update
update/ˌʌpˈdeit/vt.更新,使现代化:update file更新文件;update the system改进系统;update procedure修正程序;updated parameter更新的参数
upfront
upfront/ˌʌpˈfrʌnt/adj. 1.坦率的,公开的:He'd been upfront about his intentions.他对自己的意图始终很坦诚。I have been veryup-frontwith you.我对你一直是很坦诚的。They wereup···











