好词典
trough
UK //trɒf//US //trɔːf//
词源
源自古英语 trog，与古诺尔斯语 trog 同源，原始日耳曼语 *trugaz，本义为木制容器。
noun
❶ 指长而窄的容器或凹槽，常用于盛放食物或水，如动物饲料槽或屋顶排水槽。
“The farmer filled the trough with fresh water for the cows.”
（农民给奶牛的水槽加满了清水。）
“Rainwater flows from the roof into the gutter trough.”
（雨水从屋顶流到排水槽里。）
❶ 经济学中指周期中的低谷阶段，如商业活动或价格的最低点。
“The economy is expected to rebound from the trough next quarter.”
（预计经济将在下个季度从低谷反弹。）
“Oil prices reached a trough during the pandemic.”
（疫情期间油价跌至低谷。）
❶ 气象学中指两个高压带之间的低压区域，常伴随恶劣天气。
“A weather trough is bringing heavy rains to the region.”
（气象低压槽正给该地区带来强降雨。）
“The cold front formed along the atmospheric trough.”
（冷锋沿着大气低压槽形成。）
同义词:channel, depression, dip, basin, hollow
verb
❶ 指达到最低点后开始回升，常用于描述经济或市场趋势。
“The stock market troughed in March before recovering.”
（股市在三月份触底后开始复苏。）
“Analysts predict when the industry will trough.”
（分析师预测该行业何时会触底。）
同义词:bottom out, reach nadir, plumb
常见短语
feed at the public trough — 比喻依靠公共资金生活或获取利益，常含贬义。
“Politicians who feed at the public trough often lose voters' trust.”
（依赖公共资金牟利的政客常会失去选民信任。）
through thick and trough — 错误拼写短语，正确应为through thick and thin（同甘共苦），此处展示常见拼写错误。
“They stayed together through thick and trough (thin) for 50 years.”
（他们同甘共苦（正确应为thin）共同生活了50年。）