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U 开头的英语单词（共 59,943 个）
ultra high vacuum technique
超高真空技术
ultra large coal
特大块煤
ultra large product carrier
[网络] 超大型成品油轮
ultra large scale integration
[网络] 超大型积体电路；超大规模集成电路；超大型积体电路元件
ultra light aircraft
超轻型飞机
ultra light alloy
超级轻合金
ultra light rail
ultra light rail (uncountable)\nA small single-railcar on-demand rail system with trunk-separated stations that does not...
ultra linear voltage-to-frequency converter
[网络] 超线性电压-频率变换器
ultra linearity
超直线性
ultra long stroke crosshead diesel engine
超长行程十字头式柴油机
ultra long wave
[网络] 超长波
ultra lounge
[网络] 酒吧
ultra lounges
[网络] 超级休息室
ultra low density polyethylene
[化] 超低密度聚乙烯
ultra low emission vehicle
超低排放车辆
ultra low emissions vehicle
[网络] 环保标准；超低排放车辆