The old stone cattle trough still sits by the main entrance.那个旧的牛饮水石槽仍然躺在大门口。

The boat rolled heavily in the troughs between the waves.小船在海浪间的波谷中剧烈晃动。

American bank shares have risen by 60% since their trough last October.美国的银行股自去年10月跌至低谷后股价回升, 目前已经上涨了60%。

The trough in consumption of electricity occurs at night.夜间是电力消耗的低谷期。

Looking back afterwards you will see that this was not a terminal trough in your career.今后回想起来你就会明白, 你这段低潮期并非是你事业发展的终点。

There's a trough of low pressure over the South West.西南部上空有一个低压槽。