详细解释: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
英语解释：
名词 trough:
a narrow depression (as in the earth or between ocean waves or in the ocean bed)a channel along the eaves or on the roof; collects and carries away rainwater同义词：gutter