책 Four Corners 3 - 4단원 레슨 D

someone who is trained to travel and work in space

우주 비행사

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

크루

happening in or between more than one country

국제적인

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

우주 정거장

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

우주 왕복선

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

공중을 날아

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

수단

to make or design something that did not exist before

뭔가를 발명하다

different or better than what is normal

특별한

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

어스

a thin tube made of plastic, glass, etc. for sucking drinks

빨대로 마시는 것

to be in motion on a body of water or current of air at a slow pace

떠다니는 중

used to give permission or express agreement

물론

to achieve something after dealing with the difficulties

어렵게 무언가를 성취하다

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

뭔가 고려 중

the event or process of a baby being born

출생

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

쌍