| concentration | |
| 级别 | 第5级 |
| 音标 | [ ˌkɒnsnˈtreɪʃn ] |
| 解释 | n.集中；专注；浓度；浓缩 |
| 英英释义 | the ability to think carefully about something you are doing and nothing else |
| 发音 |  |
| 例句 |
1. She wrinkled her brows in concentration. 她蹙额皱眉，陷入沉思。 2. If smoke is going that way, then it means the concentration here should be decreasing. 如果烟雾沿着这个方向飘，这意味着，这里的浓度应该是减少的。 |
