concentrate
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.集中起來的,經(jīng)過濃縮的
詞源解說
- 1640年進(jìn)入英語,直接源自意大利語的concentrare;最初源自拉丁語的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。
用法辨析
- 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。
- 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,其賓語多為attention, mind, energies, efforts或thoughts等詞,賓語后面接介詞on,表示“把…集中在…之上”。
v. (動(dòng)詞)
英漢例句
- I can't concentrate when I'm hungry.
我餓了就無法集中精力。 - 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。
用作動(dòng)詞 (v.)
用作不及物動(dòng)詞: S+~(+A)
用作及物動(dòng)詞: S+~+ n./pron.
詞組短語
- 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
用作動(dòng)詞 (v.)
~+名詞
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
- 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.
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 集聚
- 汰選;選礦,精選,富集
- 精礦
- 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
- 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提高花生濃縮蛋白的溶解性。 - 濃集
- 密集
- 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礦泉水中鉻(Ⅵ)和鎘(Ⅱ)進(jìn)行了同時(shí)富集和測定。地球科學(xué)
- 精礦
- 精選礦