名詞 trough:

1. a narrow depression (as in the earth or between ocean waves or in the ocean bed)
2. a channel along the eaves or on the roof; collects and carries away rainwater
   同義詞：gutter
3. a concave shape with an open top
   同義詞：bowl
4. a treasury for government funds
   同義詞：public treasury, till
5. a long narrow shallow receptacle
6. a container (usually in a barn or stable) from which cattle or horses feed
   同義詞：manger

1. "Lloyd Bentsen is Texan through and trough, lived here all his life, served in the Senate, representing Texans for17 years."
   "本特森是一個不折不扣的德州佬，在這里住了一輩子，服務參議院，代表德州人凡十七年。"
2. Some horses were drinking at a trough.
   有些馬在水糟邊飲水。
3. A trough fixed under or along the eaves for draining rainwater from a roof.
   檐槽把雨水從房頂排走的水槽，裝在屋檐邊或檐下
4. The business cycle is a series of peaks and troughs.
   商業(yè)周期就是淡旺期交替。