trough
柯林斯词典
1. N-COUNT A trough is a long narrow container from which farm animals drink or eat. 饮水槽; 饲料槽
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。
2. N-COUNT A trough is a low area between two big waves on the sea. (波浪间的) 波谷
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。
3. N-COUNT A trough is a low point in a process that has regular high and low points, for example, a period in business when people do not produce as much as usual. 低谷
...recovery from the industry's worst-ever trough in 2001 and 2002. …从2001和2002年工业的最低谷复苏。
4. N-COUNT A trough of low pressure is a long narrow area of low air pressure between two areas of higher pressure. (低气压) 槽[技术]
The trough of low pressure extends over 1,000 miles. 低气压槽延伸一千多英里。
返回 trough
trough /trɒf/ (troughs)
剑桥词典
trough noun [C] (CONTAINER)
a long , narrow container without a lid that usually holds water or food for farm animals
槽；饮水槽；饲料槽
cows at the feeding trough 在喂食槽吃草的牛
trough noun [C] (LOW POINT)
a low point in a regular series of high and low points
低谷；低谷期，萧条期
Investing small amounts regularly is a good way of smoothing out the peaks and troughs of the stock market . 定期小额投资是均衡股市高峰和低谷的好办法。
environment specialized
(in the study of weather patterns ) a long area of low air pressure between two areas of high air pressure
低压槽，槽形低压
A trough of low pressure over hilly areas will bring heavy thunderstorms overnight . 丘陵地区上空的低气压槽将在一夜之间带来强雷阵雨。