erode gullies 侵蚀沟壑
deep gullies 深沟
land gullies 陆地沟壑
drainage gullies 排水沟
form gullies 形成沟壑
1. The heavy rain carved deep gullies into the hillside.
暴雨在山坡上冲刷出了深深的沟壑。
2. Farmers installed irrigation pipes to replace the natural gullies.
农民们安装了灌溉管道来取代自然的排水沟。
3. The desert landscape was marked by dry gullies.
沙漠景观中布满了干涸的沟壑。
A: Why does this area look so eroded?
A：为什么这个地区看起来侵蚀得这么严重？
B: It's because of the lack of vegetation, which leads to the formation of many gullies.
B：这是因为缺乏植被，导致了大量沟壑的形成。
1) 沟，沟壑（因地表水侵蚀形成）
2) 排水沟（人工或自然形成的用于引导水流的通道）
3) 峡谷（较深的沟谷）
1. n. 沟壑；沟渠
e.g.
The river flowed through a series of rocky gullies.
河流穿过一系列岩石沟壑。
noun
1. a long, narrow channel or depression in the earth's surface, especially one formed by the flow of water.
Synonym: ravine, channel, ditch