您要查找的是不是：
- From west to east streams down the tumbling rill. 这翻滚的小河从西向东流去。
- The water in this rill is very clean. 这条小溪里的水非常清澈。
- The crowds concentrated round the palace. 人群汇集在宫殿的四周。
- Our population is concentrated in the big cities. 我国人口集中在大城市里。
- The rill is jingling on the rocks. 溪流在岩石间叮咚地流淌。
- They concentrated on better definition of the optical image. 他们致力于提高该光学影像的鲜明度。
- She diluted the concentrated fruit juice with water. 她搀水冲淡浓缩水果汁。
- There is a spare toilet rill in the bathroom cupboard. 浴室的柜橱里有一卷备用的手纸。
- The best little scrub by the side of the rill? 但要做溪边最好的灌木！
- Concentrated study will help you to retain knowledge. 专心学习有助于你记住知识。
- These noisy conditions aren't really conducive to concentrated work. 这嘈杂的环境实在不利于专心工作。
- We concentrated intensive fire on the enemy. 我们集中密集的火力向敌人攻击。
- The orange juice has been concentrated. 橘子汁已经过浓缩。
- He concentrated his mind when reading. 他看书很专注。
- From a practical standpoint, rill erosion forms small channels. 从实用的观点看，细沟侵蚀能形成很小的渠槽。
- No other section of the people is so concentrated. 无论哪种人都不如他们的集中。
- A ditch diverted water from the rill into the fields. 一条沟渠把水从河里引向田间。
- The troops concentrated near the station . 部队在车站附近集合。
- Rill erosion processes and rill flow hydraulic parameters. 土壤溶质运移参数估计图解方法。
- The pure, highly concentrated essence of a thing. 精华，精髓事物纯正的、高度浓缩的精粹
