concentrate
US /ˈkɑnsənˌtret/
・UK /'kɒnsntreɪt/
A2
verb
- To cause to be present in large amount or number
- To pay great attention to a task; focus
- To remove water from a thing to make it more pure
Examples
He concentrated mainly on the flying and spoke very little.
UK banks tend to concentrate on short-term lending.