long-endurance英'lɒŋendjuər'əns美'lɒŋendjuər'ənsCOCA²⁰⁹⁶⁷⁷ 基本例句 长航时¹⁰⁰ The Sky- Y aircraft is at its fourth flight- test campaign and it is envisaged it will complete its testing programme by the end of July 2010, with15 long-endurance flights. 这是 Sky- Y飞机的第四次飞行测试,并计划于20107月底完成测试项目,共达15小时的飞行。 www.etiri.com.cn