abbr. nuclear energy for the propulsion of aircraft 航行器推进核能
🗣️ 情景例句
I understand.
我了解。
About how long does it take?
大约要坐多久?
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.