ugly l a. 丑陋的;难看的an ugly face 一张难看的脸an ugly duckling 丑小鸭UK 英国umbrella mbrel n. 雨伞put up/take down an umbrella 把伞张开/合起uncle k()l n. 叔;伯;舅;姑夫;姨父under nd(r) prep. 在下面,向下面反)overOur boat went under the bridge. 我们的船在桥下通过。undergroundndrand a.n. 地下的;地铁take the underground train ( US subway ) 乘地铁Its usually quite convenient to take the underground train to most places in Paris.在巴黎乘地铁去大部分地方通常是相当方便的。understand(understood, understood) n