| A | B |
| la herramienta | tool |
| la nave espacial/volante | the space ship/the flying ship, (literary) the ship, (religious) the church |
| desarrollar | to develop |
| el desarrollo | the development |
| el pasajero | the passenger |
| cumplir | to fulfill |
| cumplir con | e.g. to meet (requirements) |
| los requisitos | the requirements |
| la precaución | the precaution |
| audaz | audacious |
| acercarse | to get closer |
| la virtud | the virtue |
| la ala | the wing |
| el paracaídas | the parachute |
| la cera | the wax |
| las medidas de seguridad | the security measures |
| en torno a/de | on the subject of/having to do with (a topic) |
| un transbordador espacial | the space shuttle |
| sostener | to hold an opinion |
| engendrar | to engender, to "father" |
| una escafandra | a diving suit |
| alimentar | to feed (e.g. electricity) |
| la Tierra | the Earth (our planet) |
| un asiento | a seat |
| atreverse | to dare |
| oponer | to put up (resistance/an argument) |
| ingresar | to join (club), to enter (school) |
| volar (o-->ue) | to fly |
| un examen de ingreso | an entrance exam |
| un vuelo | a flight |
| un tubo de ensayo | a test tube |
| incorporar | to add something to X, to incorporate |
| ya que | since, as (cause) |
| de cualquier manera | any way(s) |
| arreglar | to fix |
| eólico | wind (e.g. wind power) |
| el aseo | el aseo personal (personal hygiene) |
| vencer | to defeat, to beat, to vanquish |
| un sueño | a dream |
| seguir | to keep on (doing something), to follow |
| proyectarse | to project oneself |
| más allá de | beyond |
| olvidar | to forget |
| interponer | to insert |
| desaprobar | to disapprove |
| la vida cotidiana | the daily life |
| un(a) científico/a | a scientist |
| la adquisición | the acquisition |
| enardecer | to excite, to make emotions/arguments more intense/more violent |
| averiguar | to find out |
| ejercer | to exercise |
| el poder | the power |
| cargar | to load; (electrical= to charge) |
| descartar | to rule out |
| aislamiento | isolation |
| el avance | the advance |
| la ubicación | the location |
| el peligro | the danger |
| peligroso | dangerous |