বই Four Corners 3 - ইউনিট 4 পাঠ D

someone who is trained to travel and work in space

অ্যাস্ট্রোনট

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

বিমানকর্মী

happening in or between more than one country

আন্তর্জাতিক

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

স্পেস স্টেশন

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

স্পেস শাটল

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

শিক্ষা দেওয়া

to move or travel through the air

উড়া

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

সরঞ্জাম

to make or design something that did not exist before

আবিষ্কার করা

different or better than what is normal

বিশেষ

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

পৃথিবী

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

পাইপ

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

ভাসা

used to give permission or express agreement

অবশ্যই

to achieve something after dealing with the difficulties

অর্জন করা

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

বিবেচনা করা

the event or process of a baby being born

জন্ম

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

যমজ