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concentrate [concentrated, concentrating, concentrates]▼(focus one's thought or attention)verb[UK: ˈkɒn.sən.treɪt] [US: ˈkɑːn.sən.ˌtret]
focus [focussed, focussing, focusses]▼(intransitive: to concentrate one's attention)verb[UK: ˈfəʊkəs] [US: ˈfoʊkəs]
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