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1·A bridge spanned the rill.

一座桥横跨小河。

2·Another came; nor yet beside the rill.

又一清晨到，未在小溪前。

3·Flowed like a rill in the morning beam.

像晨光中的溪流一样流淌。

4·The surface shows deep rill-like folds.

表面有深沟槽状起伏褶皱。

5·From west to east streams down the tumbling rill.

这翻滚的小坝从西向东流去。

6·The velocity decreases with the development of rill.

随着细沟的形成，水流速度逐渐减小。

7·The paper introduces the mechanism of rill formation.

介绍了细沟形成的机理。

8·There is a spare toilet rill in the bathroom cupboard.

浴室的柜橱里有一卷备用的手纸。

9·The study of erosion is focused on the rill erosion process.

对侵蚀问题的研究集中于细沟侵蚀上。

10·This paper estimates methods of measuring rill erosion amount.

本文评价了量测细沟侵蚀量的填土法和容积法。

(1)rill erosion细沟侵蚀，小沟冲蚀；带状沟蚀；细流冲蚀