If Skylon does eventually fly, its first use is likely to be as an unmanned space plane carrying objects into orbit.
【正确答案】:如果Skylon最终成功起飞,它的首次飞行很可能是作为无人航天飞机将物体送入轨道。
If Skylon does eventually fly, its first use is likely to be as
- 2024-07-26 14:31:20
- 高级英语(00600)