4周搞定2000+托福核心词
concise = con(共同) + cise(切) = 共同切砍→简洁的
confederate = con(共同) + feder(联盟) + ate(形容词) = 共同联盟,联合的
centre = centr(中心) + e(名词后缀) = 中心
centric = centr(中心) + ic(…的) = 中心的
aberration = ab(离开) + err(漫游) + ation(表结果) = 离开常规去漫游→偏差
acceleration = ac(加强) + celer(快) + ation(表结果) = n.加快，加速
全都集中在一处→集中
concentration
常考释义
One thing that can hold joy back is a person's concentration on avoiding failure rather than their looking forward to doing something well.
能够抑制快乐的一件事情是一个人专注于避免失败而不是期望去把某件事情做好。
来源于：剑雅10-Test4n. 浓度；密度
Global ozone concentrations have dropped over the last decade.
过去的十年里，全球臭氧密度降低了。
Then your ion concentrations go out of whack as well.
然后你的离子浓度含量会变得紊乱。
来自《生物医学工程探索第16集》
图片源自网络
n. 专心；专注；全神贯注
We lacked concentration and it cost us the goal and the game.
我们不太专注，这让我们丢球并输掉比赛。
His concentration on civil rights has improved his popularity.
他一心扑在民权事业上，这让他更受欢迎。
n. 集中；集聚
There's been too much concentration of power in the hands of central authorities.
中央政府手中集权过重。
This has also led to a concentration of wealth in a small number of hands.
这也导致了财富集中在少数人手里。
n. 浓缩【化】
Water temperature can fluctuate seasonally or even daily and changing level of rainfall can lead to fluctuations in the concentration of chemical in the water or even to period in which the aquatic habitat dries up.
水温会随季节变化，甚至在一天当中也不尽相同；降雨情况的变化也会导致水中所含的化学元素的变化，或因水域生境干涸而成周期性变化。
concentration on
注意力集中于…
concentration of sth.
集中；聚集
stress concentration
应力集中
low concentration
低浓度；低集中度
lethal concentration
致死浓度
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