您要查找的是不是：
- His area of concentration is nuclear physics. 他的专门研究范围是原子物理学。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- There is a concentration of people in big cities. 大城市人口集中。
- He seized every chance to break out of the Nazi concentration camp. 他抓住一切机会从纳粹集中营跑出来。
- glycol concentration 乙二醇浓度
- A state of mental concentration. 专心致志，全神贯注全神贯注的状态
- Exceptionally great concentration, power, or force. 特别强烈的程度，力量或动力
- The POWs burst out from(of) that Nazi concentration camp one night. 一天夜里战俘们冲出了那个纳粹集中营。
- First statement: Ethylene glycol is sweet. 第一句：甘醇是甜的。
- Hexylene glycol for industrial use. 工业已烯乙二醇。
- Water, Propylene Glycol Dicaprylate/ ... 恩，就是那个牛油果。
- Stress and tiredness often result in a lack of concentration. 紧张和疲劳常使人精神不集中。
- Concentration is essential if you want to do a good job. 如果你想把事情做好,专心是必要的。
- The tennis players need total concentration during play. 网球运动员在比赛中需要全神贯注。
- He spent several months in a Nazi concentration camp before he broke out. 他在纳粹集中营里关了几个月后逃了出来。
- CS - 14 is studied as a kind derivate of polyethylene glycol. CS 14是1种聚氧乙烯类化学增感剂。
- Vegan. Paraben, SLS, Propylene Glycol Free &Hypoallergenic. 素食，不含帕拉胶，SLS，丙二醇，低变应原。
- The test results show that a rare-earth concentr... 同时,对试验流程的改进和优化提出了建议。
- Vegetarian. Paraben, Propylene Glycol and Gluten-Free. 素食，不含帕拉胶，丙二醇，麸质。
- This thesis will need all your concentration. 这篇论文需要全神贯注才能读懂。
