| 释义 | 
		 troughBrE /trɒf/NAmE /trɔːf/ noun [C] a long narrow open container for animals to eat or drink from 槽;饲料槽;饮水槽the trough  [sing.] (informal) if you say that people have their noses  in the trough, you mean that they are trying to get a lot of money for themselves 钱槽;钱眼 [C] (specialist) a long narrow region of low air pressure between two regions of higher pressure 低压槽  ➡  compare ridge noun  (3)   [C] a period of time when the level of sth is low, especially a time when a business or the economy is not growing 低谷;(企业或经济的)低潮,萧条阶段◆There have been  peaks and troughs  in the long-term trend of unemployment.  长期以来失业率一直时起时伏。 [C] a low area between two waves in the sea, or two hills (海浪间的)波谷;(小山间的)槽谷,盆状洼地 |