吃透英语课本，提升在校竞争力
n. 槽；水槽；饲料槽
复数：troughs
The old stone cattle trough still sits by the main entrance.
那尊古老的石制牛食槽依旧位于主要入口处。
The boat rolled heavily in the troughs between the waves.
小船在海浪间的波谷中剧烈地摇晃着。
water trough
水槽；饮水槽
wave trough
波谷
n.水槽，水槽；[经]低谷期；饲料槽；[气象]低气压
tank
sink
