1 N-UNCOUNT 全神贯注;专心;专注 Concentration on something involves giving all your attention to it. 全神贯注;专心;专注
-
Neal kept interrupting, breaking my concentration.
尼尔不停地打断我,使得我无法集中注意力。
-
We lacked concentration and it cost us the goal and the game.
我们注意力不够集中,结果丢了球,输了比赛。
2 N-VAR 集中;汇集 A concentration of something is a large amount of it or large numbers of it in a small area. 集中;汇集
SYN convergence, collection, mass, cluster
3 N-VAR [n NOUN] 浓度 The concentration of a substance is the proportion of essential ingredients or substances in it. 浓度
-
pH is a measure of the concentration of free hydrogen atoms in a solution. [+ of]
pH值是测试溶液中自由氢原子浓度的单位。
-
The latest data showed that global ozone concentrations had dropped several per cent over the last decade.
最新数据显示,过去10年来全球臭氧的浓度降低了几个百分点。
View usage for:All yearsLast 10 yearsLast 50 yearsLast 100 yearsLast 300 years