to carefully examine a substance to determine what it is made of
We need to analyze the details more before we make a conclusion.

capable of producing the wanted result without wasting resources such as time, money or energy
Nowadays, people are looking for cars that are efficient and reliable.

having nothing inside
When I arrived, the classroom was empty. The professor must have canceled class.

to put something into a certain place or spot
They had to insert an flyer in every newspaper by hand.

a device or piece of equipment that does work using moving parts and uses electricity or other forms of power
machines have taken over many difficult and dangerous jobs.

a small creature with a soft body that lives in a SHELL and moves very slowly
The snail has a hard shell.

to clean a surface with a brush
The children are sweeping the snow away from the house.

to get off a plane, bus, or train, and travel on another one
You should transfer from bus to subway.

an act, system, or business of moving people or goods from one place to another
If you don't have a car you can always use public transportation.

(한 사람씩 드나들게 되어 있는) 회전식 문
Many people passed through the turnstile.