| 释义 |
trough/trɒf/n. 1 a long narrow open receptacle for water, animal feed, etc. 槽；水槽；(牲畜的)饲料槽 2 a channel for conveying a liquid 排水沟；引水道 3 an elongated region of low barometric pressure (低气压)槽 4 a hollow between two wave crests (水波间的)波谷 5 the time of lowest economic performance etc. (经济活动中的)低谷期，萧条期 6 a region around the minimum on a curve of variation of a quantity (曲线上的)极小值 7 a low point or depression 低谷，淡季 [Old English trog, from Germanic] |