کتاب 'فور کرنرز' 3 - واحد 4 درس D

someone who is trained to travel and work in space

all the people who work on a ship, aircraft, etc.

happening in or between more than one country

a large structure used as a long-term base for people to stay in space and conduct research

a vehicle designed and used to go to space and return multiple times

to teach a specific skill or a type of behavior to a person or an animal through a combination of instruction and practice over a period of time

to move or travel through the air

something such as a hammer, saw, etc. that is held in the hand and used for a specific job

to create or design something new that did not previously exist

different or better than what is normal

a big round mass covered in land and water, on which we all live

a thin tube used for sucking a drink into the mouth

to move slowly and gently on water or through the air

used to give permission or express agreement

to achieve something after dealing with the difficulties

to think about something carefully before making a decision or forming an opinion

the event or process of a baby being born

either of two children born at the same time to the same mother