| 单词 | concentration |
| 释义 | concentration noun¹ 1giving all your attention/effort to sth专心；专注adjective | verb + concentration | concentration + noun | preposition | phrases adjective➤deep, great, intense高度专注▸➤absolute, total绝对／完全专心◆a look of total concentration on her face她聚精会神的样子➤good专注▸➤poor不专注▸➤exclusive专心致志verb + concentration➤demand, need, require要求专注；需要集中注意力◆the game requires great concentration.这个游戏要求注意力高度集中。➤lose不能集中注意力▸➤break, disturb干扰注意力◆don's voice from outside broke my concentration.外面传来唐的声音，打断了我的思路。concentration + noun➤lapse (especially name) 走神preposition➤concentration on集中于⋯的注意力◆his concentration on his writing他对写作的专注phrases➤a lack of concentration注意力不集中▸➤a lapse in concentration, a lapse of concentration走神◆one momentary lapse in concentration could prove fatal.瞬间的注意力不集中都可能是致命的。➤powers of concentration专注力◆she has great powers of concentration for a child her age.就她这个年龄的孩子而言，她的专注力极强。concentration noun² 2large number/amount of sth in one place大量聚积adjective | verb + concentration | concentration + verb adjective➤elevated, great, heavy, high, large高密度；非常集中；高度集中◆the greatest concentration of traffic is downtown.交通最密集的地方是商业中心区。➤low低密度➤varying变化的密度➤calcium, glucose, oxygen, salt, etc.钙的含量、葡萄糖的浓度、氧的含量、盐的浓度等◆evaporation gradually increases the salt concentration of the water.蒸发作用使水中盐的浓度逐渐升高。➤geographical地理上的集中verb + concentration➤increase增加含量➤decrease, reduce降低浓度；减少含量➤calculate, determine, estimate计算／测定／估计浓度concentration + verb➤increase, rise含量增加；浓度升高◆the concentration of nitrates in the drinking water has risen in recent years.近年来饮用水中硝酸盐的浓度升高了。➤decrease, fall浓度下降／降低 concentration /kɒnsntreɪʃn; name kɑːn-/ noun1. [countable] a lot of sth in one place 集中；聚集◆ insurance premiums for commercial buildings with high concentrations of visitors or workers 为游客或工人很集中的商业大厦投保的保费◆this area has the highest concentration of industry in the country. 这是国内工业集中程度最高的地区。2. [uncountable] the act of bringing things together, or of coming together, to form a group 集中◆ concentration of investments in a single company's shares was foolish. 集中投资于一家公司的股票是愚蠢的。◆there is concern about the concentration of ownership in the regional press (= a small number of people or groups own most of the newspapers). 地方报刊所有权的集中令人关注。3. [uncountable] the ability to direct all your effort and attention on one thing, without thinking of other things 专心；专注◆the job demands total concentration. 这工作需要全神贯注。4. [uncountable] the process of people directing effort and attention on a particular thing 关注；重视◆their concentration on developing new markets is starting to bring profits. 他们重视开发新市场的做法正开始给公司带来利润。 buyer concentration ◇ market concentration ☞ concentration concentration [uncountable] the ability to direct all your effort and attention on one thing, without thinking of other things; the process of people directing effort and attention on a particular thing专心；专注；关注◆tiredness affects your powers of concentration.疲劳影响注意力的集中。◆the noise had disturbed his concentration.噪音使他不能集中注意力。◆he stressed the need for greater concentration on environmental issues.他强调需要更加关注环境问题。▸ concentrate verb [intransitive, transitive] ◆i can't concentrate with all that noise going on.吵闹声不绝于耳，我无法集中精神。◆i decided to concentrate all my efforts on finding somewhere to live.我决定全力以赴找个住的地方。concentration/ˌkɒnsnˈtreɪʃn ||; ˌkɑnsṇˈtreʃən/noun1. [u] concentration (on sth) the ability to give all your attention or effort to sth 专注；专心: ◇this type of work requires total concentration. 做这种工作需要全神贯注。◇don't lose your concentration or you might make a mistake. 别分心，不然你会犯错误。 2. [c] concentration (of sth) a large amount of people or things in one place 汇集；密集；集中: ◇there is a high concentration of chemicals in the drinking water here. 这里的饮用水化学物质含量很高。 concentrationsee ⇨ attention 1 • • •• ⇨ lose (your) concentration con·cen·tra·tion /ˏkɑnsṇ`treʃən; ˌkɒnsənˈtreɪʃən/n 1. [u] the ability to think very carefully about something for a long time 专心，专注:◇lose concentration the moment they lose concentration they forget everything i have told them to do. 他们一走神就忘了所有我叫他们做的事。 2. [c,u] a large amount of something in the same place 集中; 汇集 ☞ concentration |
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