Как по Английски будет 전환기

noun

A person who travels some distance to work on a regular basis.

Примеры использования:

A fault on the line caused widespread delays for commuters

noun

An attachment, connected with the armature of a motor or dynamo, through which electrical connection is made and which ensures the current flows as direct current.

Примеры использования:

It may also increase efficiency of machines as there won't be frictional effects of brushes, commut…

noun

The time when a situation starts to change in an important, esp. positive, way

Примеры использования:

Having the baby was a turning point in their lives.