音标：[trɒ:f]
n. 槽, 水槽, 饲料槽
【化】 料槽
【医】 沟, 槽
【经】 商业周期的低潮
相关词组:
walk up to the trough
在线英汉词典
trough的短语、例句：
trough
n
1 long narrow open box for animals to feed or drink from 饲料槽; 饮水槽. =>illus at pig 见 pig 插图.
2 shallow channel that allows water, etc to drain away 排水沟.
3 low area between two waves or ridges 波谷; 低谷. =>illus at surf 见 surf 插图.
4 (in meteorology) long narrow region of low atmospheric pressure between two regions of higher pressure （气象）低压槽. Cf 参看 ridge 3.
trough