concentrate
verb UK [ˈkɒnt.sən.treɪt] US [ˈkɑːnt-]
GIVE ATTENTION 注意
ESSENTIAL intransitive or transitive
■to direct your attention or your efforts towards a particular activity, subject or problem 专注，专心；全神贯注；集中（注意力）•Come on, concentrate! We haven't got all day to do this.快点，集中精神！我们可没有一整天时间来做这件事。 •I can't concentrate on my work with all that noise.那么吵，我没法集中精力。 •I find running concentrates the mind (= helps me to think).我发现跑步能使我集中心思。 •I'm going to concentrate on my writing for a while.我要专心写作一会儿。 •The company is concentrating (its resources) on developing new products.公司正在集中力量开发新产品。
verb UK [ˈkɒnt.sən.treɪt] US [ˈkɑːnt-]
COME TOGETHER 聚集
[T usually passive or I] [usually + adv/prep]
■to bring or come together in a large number or amount in one particular area 集中；聚集；汇集；集结•Most of the country's population is concentrated in the north.该国的大部分人口都集中在北部。 •In the dry season, the animals tend to concentrate in the areas where there is water.在干旱的季节，动物常常聚集在有水的地区。
verb UK [ˈkɒnt.sən.treɪt] US [ˈkɑːnt-]
REMOVE WATER 把水除去
transitive specialized
■to make a liquid or substance stronger and reduce its size by removing water from it 使浓缩
noun countable or uncountable UK [ˈkɒn.sən.treɪt] US [ˈkɑːn-/
■a liquid from which some of the water has been removed 浓缩物；浓缩液•fruit-juice concentrate浓缩果汁 ■an ore from which rock has been removed 精矿•a mineral concentrate精矿 |