| 词汇 | concentration |
| 释义 | concentration 2 ENTRIES FOUND: concentration (noun) concentration camp (noun) concentration /ˌkɑːnsənˈtreɪʃən/ noun concentration /ˌkɑːnsənˈtreɪʃən/ noun Learner's definition of CONCENTRATION 1 [noncount] : the ability to give your attention or thought to a single object or activity : the ability to concentrate专心；专注 the power of concentration专注力 All that noise is disturbing my concentration.所有那些噪声都在分散我的注意力。 The job required her full concentration.这项工作需要她全神贯注。 When you're tired it's easy to lose your concentration.人疲倦时容易失去专注力。 2 : the act of giving your attention to a single object or activity注意；关注 [singular] There was a concentration on ethics within the agency.这个机构注重内部道德规范。 His concentration [=focus] was on gathering evidence for the trial.他的精力都用在了为审判收集证据上。 [noncount] a student who chose law as his field/area of concentration [=his main area of study]选择法律作为主要研究领域的学生 3 a : a large amount of something in one place（某物的）集中，聚集 [count] There is a concentration of wealth in the cities.城市里聚集了大量的财富。 [noncount] He objects to the concentration of power in the hands of a few rich men.他反对把权力集中在少数富人手中。 b [count] : a large number of people in one place（人的）聚集，聚居 Officials are expecting a heavy/high concentration of tourists [=are expecting many tourists] for the festival.官方预计节日期间会有大量游客聚集。 4 [count] : the amount of an ingredient in a mixture浓度；含量 Contaminants were found in low concentrations. [=amounts]污染物的浓度被证实很低。 measuring the concentration of salt in a solution检测溶液中盐的浓度 They detected high concentrations of pollutants in the water.他们检测到水中污染物的含量很高。 |
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