音標(biāo)發(fā)音英式音標(biāo) [?k?n.s?n.tre?t]美式音標(biāo) [?kɑ?n.s?n.tre?t]國(guó)際音標(biāo) ['k?ns?ntreit]英式發(fā)音 美式發(fā)音 基本解釋vt.& vi.專心于vt.濃縮,(使)濃縮vi.凝縮,濃縮,提純n.濃縮物adj.集中起來(lái)的,經(jīng)過(guò)濃縮的詞源解說(shuō) 1640年進(jìn)入英語(yǔ),直接源自意大利語(yǔ)的concentrare;最初源自拉丁語(yǔ)的comcentrum:com (一起) + centrum (中心),意為聚在中心,專心。詞根記憶con(表加強(qiáng)) + centr(中心) + ate(做)→精神放在一個(gè)中心→全神貫注con + centr(中心) + ate→聚集在一個(gè)中心→集中con(共同) + centr(中心) + ate→置于同一個(gè)中心→集中,聚集con(共同) + centr(中心) + ate→聚集在一個(gè)中心→集中con(加強(qiáng)) + centr(中心) + ate→聚集在一個(gè)中心→聚集con(表加強(qiáng)) + centr(中心) + ate(使…)→使精神集中到中心→集中同根派生adj性質(zhì)的同根詞concentrated:集中的;濃縮的;全神貫注的。n性質(zhì)的同根詞concentration:濃度;集中;濃縮;專心;集合。concentricity:同心;集中性。v性質(zhì)的同根詞concentrated:集中(concentrate的過(guò)去分詞)。concentre:集中于一點(diǎn)。vi性質(zhì)的同根詞concenter:聚集于一點(diǎn)。vt性質(zhì)的同根詞concenter:集合。concentrate相關(guān)詞用法辨析v. (動(dòng)詞)concentrate的基本意思是指“吸引到或固定在一個(gè)中心之上”,既可指能被聚集、集中的事物,也可指縮聚于一點(diǎn)以增強(qiáng)其力量和強(qiáng)度的物質(zhì),強(qiáng)調(diào)人的技術(shù)、方法或努力程度,引申可指把注意力集中于…之上。 concentrate作“集中”“聚集”解時(shí),可用作不及物動(dòng)詞,也可用作及物動(dòng)詞。其后接at, in等介詞,表示“集中在…”,后多接表示地點(diǎn)的名詞。 concentrate作“濃縮”解時(shí),是及物動(dòng)詞,接名詞或代詞作賓語(yǔ)。 concentrate作“專心于”解時(shí),可用作不及物動(dòng)詞,也可用作及物動(dòng)詞,其賓語(yǔ)多為attention, mind, energies, efforts或thoughts等詞,賓語(yǔ)后面接介詞on,表示“把…集中在…之上”。 concentrate使用方法concentrate詳細(xì)辨析英漢例句用作動(dòng)詞 (v.)用作不及物動(dòng)詞: S+~(+A)I can't concentrate when I'm hungry.我餓了就無(wú)法集中精力。用作及物動(dòng)詞: S+~+ n./pron.The general decided to concentrate his forces near the capital.這位將軍決定把他的部隊(duì)集中在首都附近。concentrate更多例句詞組短語(yǔ)用作動(dòng)詞 (v.)~+名詞concentrate efforts 集中力量concentrate one 's thoughts 集中思想concentrate gunfire 集中炮火concentrate investment 集中資金concentrate broth 濃縮肉湯concentrate更多詞組英英字典劍橋英英字典(GIVE ATTENTION) to direct your attention or your efforts towards a particular activity, subject, or problem(COME TOGETHER) to bring or come together in a large number or amount in one particular area(REMOVE WATER) to make a liquid or substance stronger and reduce its size by removing water from it a liquid from which some of the water has been removed柯林斯英英字典 If you concentrate on something, or concentrate your mind on it, you give all your attention to it. If something is concentrated in an area, it is all there rather than being spread around. concentrate劍橋字典concentrate柯林斯字典專業(yè)釋義經(jīng)濟(jì)學(xué)集聚能源科學(xué)技術(shù)汰選;選礦,精選,富集精礦農(nóng)業(yè)科學(xué)精料濃縮The DQ strain of IBRV was propagated in Madin-Darby bovine kidney (MDBK) cells cultured in DMEM and concentrate the virus using differential centrifugation. The concentration of virus is 3.10mg/mL.用長(zhǎng)成單層的MDBK細(xì)胞增殖IBRV-DQ病毒株,并采用差速離心法濃縮,得到的病毒濃度為3.10mg/mL。精飼料機(jī)械工程濃縮Peanut protein concentrate(PPC) pretreated by physical method was limitedly hydrolyzed by papain protease to improve its solubility.以木瓜蛋白酶有限酶解來(lái)提高花生濃縮蛋白的溶解性。濃集密集化學(xué)富集A portable electrokinetic flow analysis system with electroosmotic driving and bi-directional electrostacking unit was introduced. The improved system with graphite furnace atomic absorption spectrometry was employed to separate,pre-concentrate and determine Cr(Ⅵ) and Cd(Ⅱ)in mineral water.提出一種電滲驅(qū)動(dòng)與雙向電堆積相結(jié)合的便攜式電動(dòng)流動(dòng)分析系統(tǒng),并采用石墨爐原子吸收法對(duì)礦泉水中鉻(Ⅵ)和鎘(Ⅱ)進(jìn)行了同時(shí)富集和測(cè)定。地球科學(xué)精礦精選礦