concentration
释义
n. 专注；关注；聚集；浓度
自然拼读
词态
复数：concentrations
例句
I lost my concentration and fell asleep.
我精神一放松就睡着了。
pH is a measure of the concentration of free hydrogen atoms in a solution.
pH值是溶液中游离氢原子浓度的计量单位。
The area has one of the world's greatest concentrations of wildlife.
该地区有世界上野生生物最集中的区域之一。
Lack of concentration was a real problem.
注意力不集中是个大问题。
She needed all her powers of concentration to stop herself from slipping on the icy road.
她需要集中全部注意力才能不让自己在结冰的路上滑倒。
Additives are expensive but are used in very low concentrations.
添加剂很昂贵，但都以很低的浓度使用。
the concentration of greenhouse gases in the atmosphere
大气中温室气体的积聚
词组
sediment concentration
含沙量；沉积物浓度
low concentration
低浓度；低集中度
ion concentration
离子浓度
gas concentration
气体浓度；气含量
alcohol concentration
酒精浓度
high concentration
高浓度，高强度
dust concentration
粉尘浓度；尘末浓度
concentration of sth
集中；聚集
concentration on
注意力集中于…
mass concentration
质量浓度
volume concentration
[化]体积浓度；体积密度
initial concentration
起始浓度；初浓度
stress concentration factor
应力集中系数
concentration factor
集中系数；浓缩系数
stress concentration
应力集中
concentration ratio
集中度；浓度比率
concentration camp
集中营
solution concentration
溶液浓度
concentration polarization
浓差极化
salt concentration
盐浓度，含盐浓度
近义
n.[物][化学]浓度；集中；浓缩；专心；集合
thickness
compression
assembly
convergence
set
词根词缀点击查看concentration词根词缀
真题
1 ...The effect of policies generating long-term resource concentration has also created a distinctive set of universities which are research-led and commercially active...
2011.12 CET6 阅读理解
2 ...There's little doubt that nearly everyone who comes in contact with the net has difficulty concentration than it takes to post a status update...
2017.12 CET6 阅读理解
3 ...It seems clear that the concentration of research and commercialization work creates differences between universities...
2011.12 CET6 阅读理解