The runway is not long enough for a jetliner to sit down on safely.
这条跑道不够长，喷气客机不能安全降落。
2
They are designing a new jet-liner.
他们在设计一种新型的喷气客机。
3
The model discussed is shown to simulate much of the important physics of a LSC explosion including: liner collapse, jet formation and elongation, and "body shrinked" phenomenon of a LSC slug.