1.

1. A spring rills down by the gorge.
    泉水潺潺地流下山峡。

1. From west to east streams down the tumbling rill.
    这翻滚的小坝从西向东流去。

1. 小河：彻底的根除(eradicate) MM 全部逛商店(mall),街道全部有书店(stall),里面书店在安装(install),喝水全部到大厅 (hall),哥哥全部有胆量(gall),弟弟全部在闲荡(dally),专家全部变碎片(spall) 小花生病变小河(rill), 哥哥河边来烤肉(grill),

2. 倾斜工祖：rigidity 刚度 | rill 倾斜工祖 | rill cut 倾斜分层

3. 小溪：rigidity 刚性 | rill 小溪 | rill erosion 细沟侵蚀

4. rill

4. 小溝;細流：righting reflex 翻正反射;正位反射 | rill 小溝;細流 | rill erosion 細流侵蝕

1. a small channel (as one formed by soil erosion)

2. a small stream

    Synonym: rivuletrunrunnelstreamlet