| 单词 | rill |
| 释义 | rill rill1 /ril/, n. a small rivulet or brook. [1530-40; < D or LG; cf. Fris ril] rill2 /ril/, n. Astron. any of certain long, narrow, straight or sinuous trenches or valleys observed on the surface of the moon. Also, rille. [1885-90; < G Rille; see RILL1] |
| 随便看 |
英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。