trough
noun [ C ] uk/trɒf/ us/trɑːf/
(CONTAINER)
槽;饮水槽;饲料槽
a long, narrow container without a lid that usually holds water or food for farm animals
cows at the feeding trough 在喂食槽吃草的牛
(LOW POINT)
低谷；低谷期，萧条期
a low point in a regular series of high and low points
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低压槽，槽形低压
(in the study of weather patterns) a long area of low air pressure between two areas of high air pressure
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。
Idiom
have/get your snout in the troughidiom UK informal 便宜；不应得的利益
to have or get a share of a supply of money or some other advantage that people eagerly and sometimes dishonestly take
The council had been handing out grants indiscriminately, and people were hurrying to get their snouts in the trough. 市政会一直在不加鉴别地分发补助金，结果人们都趋之若鹜地去捞一份。
trough
verb informal uk/trɒf/ us/trɑːf/
(EAT)
[ T ] UK大吃，饕餮，狼吞虎咽
to eat something quickly and eagerly, especially in large amounts
She was sitting there troughing chocolate. 她坐在那里大吃巧克力。
(LOW LEVEL)
[ I ]在上升之前落入（程度，价格等的）低谷
to reach a low level, price, etc. before going up again
The economy troughed six months ago and is now growing again. 六个月前经济陷入低谷，现在又开始增长了。
trougher
noun [ C ] UK informal uk/ˈtrɒf.ər/ us/ˈtrɑː.fɚ/
大吃者，饕餮者，狼吞虎咽的人
someone who eats a lot of food very quickly