n.小溪，小河，细流

The rainwater collected in the runnel flowed down to the stream.
沟槽中的雨水流到了小溪里。
The gardener used a runnel to guide water to his vegetable patch.
园丁使用沟渠将水引导到他的菜地。
The ancient aqueduct still had small runnels carrying water to the city.
古老的高架水道仍然有小水槽向城市供水。
The roof's design directs rainwater into a series of runnels for collection.
屋顶的设计将雨水导向一系列沟槽以收集。
The child followed the runnel along the park path, fascinated by its trickling sound.
孩子沿着公园小路跟随那条细流，被其潺潺声吸引。
The old village had narrow runnels on either side of the streets for drainage.
古老的村庄街道两旁有狭窄的排水沟。
The runnel carved its way through the soft earth over centuries.
这条沟槽历经数百年在软土中雕琢出自己的路径。
After the storm, the once-dry runnel was now a rushing stream.
暴雨过后，曾经干涸的沟渠现在变成了一条奔腾的小溪。
The farmer constructed runnels to irrigate his fields efficiently.
农民建造了沟渠以高效地灌溉他的田地。
The intricate network of runnels in the terraced rice fields is a marvel of ancient engineering.
梯田中错综复杂的沟渠网络是古代工程学的奇迹。