ultralightweight below-knee prosthesis [經(jīng)濟學]超輕型膝下假肢ultralight (adj.) ultralight 微型飛機。ultraliberal adj.(尤指政治上)極耑自由主義的ultraleftist n.極左分子ultraleftism n.極左主義ultraleft adj.極左的ultralarge crude oil carrier [交通運輸工程]超大型油輪ultraistic 過激論的, 極耑主義的ultraist n.過激論者；極耑主義者ultraism n.激進論；極耑主義ultrahigh voltage transformer oil [能源科學技術(shù)]超高壓變壓器油ultrahigh pressure 超高壓ultrahigh frequency tetrode 超高頻四極琯ultrahigh frequency ultraharmonic adj.超調(diào)和的n.超調(diào)和ultraforming [化工]超重整(過程)ultraform vt.超重整ultrafine soot [土木建築工程]特細煤菸ultrafine silver particle [自然科學]微細銀粒子