ultralightWiktionary 原文英美/ˌʌltrəˈlaɪt/adj.超轻型的中文释义来自 ECDICT构词拆解ultraultra-前缀lightlight词干ultra-Greater than normal quantity or importance, as in ultrasecret. · Beyond, on the far side of, as in ultraviolet.词源说明From ultra- + light.释义形容词adjective1Extremely light; weighing very little.名词noun1An aircraft that weighs very little.同族词派生词 1ultra light rail