rivulets是什么意思？

Rivulets of water ran in through the leaks.小股的水流通过漏洞流进来.Rivulets of sweat streamed down his cheeks.津津汗水顺着他的两颊流下.It was gray and dusty, and sweat had streaked long rivulets across his cheeks.那张脸是灰糊糊的,满是尘土, 汗水在两颊上划着一条条长沟....

rivulets的音标：rivulets的英式发音音标为：[rɪvjʊ'lɪts]rivulets的美式发音音标为：[rɪvjʊ'lɪts]...