例句與造句

1. Or close to light speed travel?
2. Carris is originally from Gall, but is much younger than he should be due to sub-light speed travel.
3. I understand that Einstein says that light speed travel is impossible, but we must be at least attempting to discover near light speed travel or worm hole technology.
4. I understand that Einstein says that light speed travel is impossible, but we must be at least attempting to discover near light speed travel or worm hole technology.
5. So can some one please direct me to a link concerning the most current developments in space travel, more specifically what we are doing to develop near light speed travel or how we are planning to get to Solar systems many light years away.
6. It's difficult to find light speed travel in a sentence. 用light speed travel造句挺難的