trough

n.

水槽，食槽；低谷期；[航]深海漕；[气]低气压槽

复数：troughs

water trough水槽；饮水槽

wave trough波谷

1. So she quickly emptied her jar into the trough.
   她迅速地把水罐里的水统统倒进水槽。
2. This type of barrier is a combination of the pumping trough and the hydraulic ridge.
   这类屏障是把抽水槽和水力分水岭结合在一起。
3. However, as a mother of two, she was soon out of the trough.
   但是，作为两个孩子的母亲，她很快就走出了低谷。
4. But economists do not necessarily expect the trough in production to be long.
   但是，经济学家并不一定认为生产低潮会持续很长时间。

The Science of 'Muddling Trough'
Parabolic-trough solar collectors and their applications
Advances in Parabolic Trough Solar Power Technology
The role of water in the petrogenesis of Mariana trough magmas
Association of trough serum infliximab to clinical outcome after scheduled maintenance treatment for Crohn's disease.
Calculation of trough:peak ratio of antihypertensive treatment from ambulatory blood pressure: methodological aspects.
Evidence for Reionization at ~ 6: Detection of a Gunn-Peterson Trough in a = 6.28 Quasar
Evidence for Reionization at z ~ 6: Detection of a Gunn-Peterson Trough in a z=6.28 Quasar
Influence of cyclosporine pharmacokinetics, trough concentrations, and AUC monitoring on outcome after kidney transplantation
Source mechanisms and tectonic significance of historical earthquakes along the nankai trough, Japan