# concentration ##### 词义 - 英:/ˌkɒnsnˈtreɪʃn/; 美:/ˌkɑːnsnˈtreɪʃn/ - #词性/n 浓度;集中;专注;聚集;关注;专心;重视 ##### 例句 - What is the concentration of salt in sea water ? - 海水含盐的浓度是多少? - The colon is the locus of a large concentration of bacteria . - 结肠是大浓度的细菌所在地。 - His face was a study in concentration . - 他脸上完全是一副全神贯注的表情。 ##### 形态 - #形态/word_pl concentrations