concentrate

• 通过去除水分或稀释剂而得到的浓缩物质；常用于烹饪、化学和工业领域。

A dense, potent form of a substance produced by removing water or other diluting agents; commonly used in food, chemical, and metallurgical industries.

1. A thick, reduced liquid used in cooking, typically diluted before consumption.B2formalculinary

   A food product made by evaporating most of the water from a juice, broth, or other liquid to reduce volume and weight, requiring the addition of liquid before serving, often stored frozen or canned.

   浓缩汁，浓缩汤

   • She mixed a frozen orange concentrate with three cans of water.
   • The recipe calls for tomato paste made from a double-strength concentrate.
   • A small can of grape juice concentrate yields a liter of drink after dilution.
   • He added a spoonful of beef broth concentrate to enhance the stew's flavor.
   • The supermarket sells apple juice concentrate in the frozen foods aisle.

   同义词essenceextractreduction

   反义词dilutionsolution

2. A substance with higher purity or strength due to removal of impurities or solvents.C1formalscientific

   A liquid, solid, or gel produced by a separation process (distillation, evaporation, osmosis) that increases the content of the desired component; used as a raw material in chemistry, pharmaceuticals, and cleaning products.

   浓缩物

   • The lab ordered a 95% ethanol concentrate for the extraction procedure.
   • Dilute the cleaning concentrate with one part water before use.
   • The plant produces a protein concentrate from soybeans for animal feed.
   • A few drops of the botanical concentrate are enough to scent the entire soap batch.
   • Workers handle the detergent concentrate in a ventilated mixing room.

   同义词distillateessenceextractquintessence

3. An enriched mineral product obtained from crushed ore.C1formaltechnical

   In mining and metallurgy, a finely ground material resulting from beneficiation processes (flotation, gravity separation) in which the proportion of valuable metal or mineral has been significantly increased compared to the raw ore.

   精矿

   • The copper concentrate is shipped to the smelter for further refining.
   • After flotation, the zinc concentrate contained over 50% metal by weight.
   • A conveyor belt transports the iron concentrate to the pelletizing plant.
   • Moisture in the lead concentrate must be reduced before transportation.
   • The mine produces about 200,000 tonnes of dry mineral concentrate annually.

• 动词，指把注意力或心思集中在某个对象或活动上。也表示使集中、聚集在一起。

A verb meaning to focus one's attention or mental effort on a particular object or activity.

1. Focus attentionB1formal

   To direct one's attention or mental effort toward a particular object or activity.

   集中注意力

   • She couldn't concentrate on her homework with the loud music.
   • You need to concentrate during the exam.
   • He concentrated all his efforts on finishing the project.

   同义词applyattendcenterdirectfixatefocus

   反义词dispersedistractscatter

2. Gather or bring togetherB2formal

   To bring or come together in one place; to gather.

   集中

   • The population is concentrated in urban areas.
   • The troops concentrated near the border.
   • Most factories are concentrated in the industrial zone.

   同义词accumulateaggregateamassassembleclustercollectcongregateconvenegather

   反义词dispersedividescatterseparatespread

3. Make stronger or denserB2formal

   To make a liquid or substance stronger by removing water or other diluting elements.

   浓缩

   • The juice is concentrated by boiling off the water.
   • They concentrated the solution to increase its potency.
   • The process concentrates the mineral content of the water.

   同义词condenseevaporatereducethicken

   反义词dilutethinweaken

短语动词变体concentrate on