a feeling that unites people
Afraid of the world that is portrayed on TV, people do not build bonds with their neighbors.

a spiral
Guggenheim Museum is shaped in a helix.

to cause to be alone or apart from others
The teacher isolated the bad child from the class before talking with her.

with regards to each of several persons or things as mentioned, in the order they were mentioned
In the race, Gerald and Errolcame first and third respectively.

a step
One of the rungs of the ladder beneath my feet broke.

The simplicity of something is the fact that it is easy to do or understand.
We were able to find the house thanks to the simplicity of the directions.

a thin hair-like part
We are going to be stranded on this island forever.

To submerge something means to put it below the surface of a liquid.
At the close of the Ice Age the entire region was submerged beneath a lake of meltwater. [133403내용일치]빙하기가 끝났을 때 그 전 지역은 빙하가 녹은 물로 된 호수 밑으로 잠겼다.

to cause something to become curved or change its shape
The road twists and turns through the mountains.