| A | B |
|---|
| scuttle | run or move quickly; scurry |
| flimsy | easily damaged; frail |
| replacement | stand-in; substitute |
| quest | a hunt; journey of search |
| sophisticated | more developed; refined |
| humanoid | human |
| ornithopter | an experimental aircraft using flapping wings |
| sobriquet | nickname; assumed name |
| invincible | unconquerable; cannot be overcome |
| opiate | acting as sedative; narcotic; putting to sleep |
| bulkhead | a wall or partition protecting against fire or leakage, usually on a ship |
| installation | the act of fixing in place for use |
| demeanor | outward behavior, conduct |
| limitation | restriction |
| massive | big and solid; ponderous |
| propulsion | driving forward with force |
| postulate | to say something is true without proof |
| robotics | the science of designing things to do human work |
