concentration [ˌkɑ:nsnˈtreɪʃn]

例句:

• I knew that concentration was the first requirement for learning.
  我知道专心致志是学习的首要条件。
  来自柯林斯例句
• He plays the character with tremendous concentration combined with a pleasing modesty.
  他表演这个角色时倾注了巨大的心血，而且非常谦虚和善。
  
• Large concentrations of capital were in the hands of merchants.
  大量资本集中在商人手里.
  
• In this study, timing seems to trump concentration.
  来自SA
• 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。
  
• I want to put all my concentration on football.
  来自BBC
• That's a small concentration with a huge effect.
  来自SA
• This is a novel depicting the bitter sufferings of the inmates in a Nazi concentration camp.
  这是一本描写关押在纳粹集中营的人受苦受难的小说。
  来自《权威词典》
• On concentration of sea water we obtain salt.
  海水经浓缩后我们得到盐。
  来自《权威词典》