音标与读法

这里为大家介绍下concentration 是什么意思，希望能帮助到各位朋友。

音标：[ ˌkɔnsen"treiʃən ]名词复数:concentrations

中英文翻译

n.

1.集中。

2.【化学】提浓，蒸浓，浓缩；浓度；稠密度；【矿物】汰选，选矿，富化。

3.集中注意，专心。

短语和例子

multi-stage ore concentration多段选矿法。 with deep concentration专心。

strengthening the concentration (as of a solute in a mixture) by removing diluting material

bringing together military forces

great and constant diligence and attention

同义词：assiduity, assiduousness,

the strength of a solution; number of molecules of a substance in a given volume

the spatial property of being crowded together

同义词：density, denseness, tightness, compactness,

complete attention; intense mental effort

同义词：engrossment, absorption, immersion,

increase in density

例句与用法

1.She wrinkled her brows in concentration .

她蹙额皱眉，陷入沉思。

2.S is the concentration of unpaired nucleotides .

S是不配对的核苷酸的浓度。

3.Freckles are simply concentrations of melanin .

雀斑不过是高浓度的黑色素。

4.This concentration is not dissipated by agents .

这一浓缩不会被媒介所冲淡。

5.Some of the concentrations are negligibly small .

某些浓度小到可以忽略不计。

6.Ambient concentrations varied considerably by season .

环境浓度随季节而大幅度变化。

7.The colon is the locus of a large concentration of bacteria .

结肠是大浓度的细菌所在地。

8.There was something pathetic in his concentration .

他那副专心致志的劲头看上去有点可怜。

9.Higher salt concentrations alone may inhibit ion uptake .

单单只是盐浓度高就会阻碍离子吸收。

10.At high calcium concentration they fuse without lysis .

在钙离子浓度高时，他们融合而不解体。

单词网DaNcI.583316.com