concentrated

动词 concentrate:

1. make (the solvent of a solution) dense or denser
   同义词：concentrate
2. direct one's attention on something
   同义词：concentrate, focus, center, centre, pore, rivet
3. make central
   同义词：centralize, centralise, concentrate
4. make more concise
   同义词：digest, condense, concentrate
5. draw together or meet in one common center
   同义词：concentrate
6. compress or concentrate
   同义词：condense, concentrate, contract
7. be cooked until very little liquid is left
   同义词：boil down, reduce, decoct, concentrate
8. cook until very little liquid is left
   同义词：reduce, boil down, concentrate

形容词 concentrated:

1. gathered together or made less diffuse
2. of or relating to a solution whose dilution has been reduced
3. intensely focused
4. (of light) transmitted directly from a pointed light source
   同义词：hard
5. being the most concentrated solution possible at a given temperature; unable to dissolve still more of a substance
   同义词：saturated

1. He concentrated on his new job.
   他专注于新工作。
2. They concentrated on better definition of the optical image.
   他们致力於提高该光学影像的鲜明度。
3. These noisy conditions aren't really conducive to concentrated work.
   这嘈杂的环境实在不利於专心工作。
4. The crowds concentrated round the palace.
   人群汇集在宫殿的四周。