concentrate/ˈkɔnsəntreɪt/
vt., vi.-trated, -trating1. 集中(注意力、思想等)Concentrate on your work.集中精神工作。
A driver should concentrate on the road when driving.开车时驾驶员的注意力要集中在路上。
2. 集中于某处;使集中于一点concentrate rays of light into a focus把光线集中在焦点上
Industrial development is being concentrated in the west of the country.这个国家的西部正集中发展工业。
3. 浓缩