| 单词 | 升空 |
| 释义 | 〔rise〕The plane took off and ascended steadily until it was out of sight.飞机起飞之后平稳地逐渐升空直到消失在视野之外。〔catwalk〕A narrow, often elevated walkway, as on the sides of a bridge or in the flies above a theater stage.狭窄甬道：狭窄的、通常升空的过道，如桥的侧边或戏院舞台上布景控制处的过道〔booster〕The primary stage of a multistage rocket that provides the main thrust for launch, liftoff, and initial flight.助推器：多级火箭的第一级，为发射、升空和最初飞行提供主要推力〔Montgolfier〕French aeronautic inventor who with his brotherJacques Étienne (1745-1799) built and ascended in the first practical hot-air balloon (1783). 蒙戈尔费埃，约瑟夫·米切尔：(1740-1810) 法国航空发明家，与其兄雅克·艾蒂安 (1745-1799年）制造了第一个可飞行热气球并乘该气球升空 |
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