concentrate

集中（注意力、思想等）

集中于某处；使集中于一点

浓缩

浓缩物

concentrate

集中, 浓缩

concentrate

1. the desired mineral that is left after impurities have been removed from mined ore

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2. a concentrated form of a foodstuff; the bulk is reduced by removing water

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3. a concentrated example; "the concentrate of contemporary despair"

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1. make (the solvent of a solution) dense or denser

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2. direct one's attention on something; "Please focus on your studies and not on your hobbies"

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3. make central; "The Russian government centralized the distribution of food"

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4. make more concise; "condense the contents of a book into a summary"

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5. draw together or meet in one common center; "These groups concentrate in the inner cities"

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6. compress or concentrate; "Congress condensed the three-year plan into a six-month plan"

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7. be cooked until very little liquid is left; "The sauce should reduce to one cup"

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8. cook until very little liquid is left; "The cook reduced the sauce by boiling it for a long time"

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