例句與造句

1. The SpaceX Interplanetary booster will use 42 sea-level optimized Raptors in the on-orbit refueling will use six vacuum-optimized Raptors for primary propulsion plus three Raptors with sea-level nozzles for maneuvering.
2. The first stage is always an " Interplanetary booster " while the second stage may be either an " Interplanetary Spaceship " ( for beyond-Earth-orbit missions ) or an " ITS Tanker " ( for on-orbit propellant transfer operations ).
3. The first stage is always an " Interplanetary booster " while the second stage may be either an " Interplanetary Spaceship " ( for beyond-Earth-orbit missions ) or an " ITS tanker " ( for on-orbit propellant transfer operations nearer to Earth ).
4. It's difficult to find interplanetary booster in a sentence. 用interplanetary booster造句挺難的