concentrate

concentrateconcentrateD.J.:[ˈkɔnsəntreit]K.K.:[ˈkɑnsənˌtret]vt. & vi.1.■专心于; 注意I can't concentrate when I'm hungry.我饿了就无法集中精力。2.■集中, 聚集The general decided to concentrate his forces near the capital.这位将军决定把他的部队集中在首都附近。vt.1.■浓缩An acid solution is concentrated when it has very much acid in it.当酸性溶液里含有很多酸时, 它就被浓缩了。

---

concentrate['kɔnsəntreit]vt.1.■集中，使集中于一点：You must concentrate all your energies on the study of English.你必须集中全力学习英语。2.■聚集，集结，集中于一地：Industrial development is being concentrated in the west of the country.工业开发正集中于国家的西部进行。3.■凝缩，浓缩：The orange juice has been concentrated.橘子汁已经过浓缩。4.■【采矿】汰选；选矿，精选，富集vi.1.■向中心集中，汇集，聚集：The troops were ordered to concentrate near the railway station.部队接到命令在火车站附近集结。2.■专心，全神贯注；集中全力(常与on或upon连用)：We could not concentrate on the lesson because the room was noisy.屋里太吵，我们无法全神贯注地听课。3.■凝缩，浓缩；提纯n.1.■浓缩物adj.1.■集中起来的；经过浓缩的变形vt.concentratedconcentrating

concentrateconcentrate[ˈkɔnsentreit]vt.1.■集中； 使...集中于一点2.■【化】提浓， 浓缩， 凝缩；【采矿】汰选3.■蒸浓4.■选矿， 富集concentrate troops集结军队concentrate fire集中火力（射击）concentrate one's attention on [upon]把注意力集中在concentrate sugar solution into syrup将糖的溶液浓缩为糖浆

---

词性变化concentrate[ˈkɔnsentreit]vi.1.■集中； 聚集； 聚精会神， 集中思想（on， upon）You should concentrate on your work.你应该专心于你的工作。concentrate[ˈkɔnsentreit]n.1.■浓缩物； 提浓物；【畜】精料；【采矿】精砂