1. 冲沟：guillotine-type valve 闸阀 | gulch 冲沟 | Gulf Area 海湾地区

2. 峡谷：gular 咽喉的 | gulch 峡谷 | gulden 基尔德

3. 冲沟,干谷(美国西部)：ground-water soil 潜育土壤 | gulch 冲沟,干谷(美国西部) | gullies class 沟道等级

4. 干谷峡谷, 冲沟：gryphon [希神]半狮半鹫的怪兽 | gulch 干谷峡谷, 冲沟 | gyrocopter [空]旋翼机

1. （两边陡峭的）急流峡谷
    A gulch is a long narrow valley with steep sides which has been made by a stream flowing through it.

    e.g. ...California Gulch.
           加利福尼亚峡谷

1. a narrow gorge with a stream running through it

    Synonym: flume