单词：spaceplane
音标：['speisplein] ；
n. [空]航天飞机
词型变化：名词复数形式 : spaceplanes
词性分布：
单词：spaceplane 相关文章
A new airplane may soon be able to travel into space at more than five times the speed of sound. The Defense Advanced Research Projects Agency, or DARPA, announced last Wednesday that a project by the aerospace company Boeing was making progress. DAR
发表于:2018-12-07 / 阅读(353) / 评论(0)
2017年VOA慢速英语(五)月
2017年VOA慢速英语(五)月