| 释义 |
🔑concentrationcon·cen·tra·tion AW /ˌkɑnsnˈtreɪʃn / noun - [uncountable] concentration (on sth) the act of giving all your attention or effort to something专心；专注◆This type of work requires total concentration.做这种工作需要专心致志。◆She lost her concentration when she heard a door slam.听到重重的关门声，她无法集中精神。
- [countable] concentration (of sth) a large amount of people or things in one place集中；聚集；密集◆There are high concentrations of bacteria in the drinking water here.这里的饮用水细菌含量很高。
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