In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

A doorstop ( also door stopper , door stop or door wedge ) is an object or device used to hold a door open or closed , or to prevent a door from opening too widely .
A doorstop ( or door stop or doorstopper ) is a tool .

The atoms in molecules , crystals , metals and diatomic gases — indeed most of the physical environment around us — are held together by chemical bonds , which dictate the structure and the bulk properties of matter .
The atoms in molecules , crystals , metals and diatomic gases are held together by chemical bonds .

Chukchi Sea ( Russian : , ) , sometimes referred to as the Chukotsk Sea or the Sea of Chukotsk , is a marginal sea of the Arctic Ocean .

Chukchi Sea is a marginal sea of the Arctic Ocean .

