troughs
释义
海槽
例句
1·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。
《柯林斯英汉双解大词典》
2·There have been peaks and troughs in the long-term trend of unemployment.
长期以来失业率一直时起时伏。
《牛津词典》
3·Some of the bars and troughs are exposed by low tide.
一些砂洲和沟槽在低潮位时，露出于水面。
短语
1·water trough
水槽；饮水槽
2·wave trough
波谷
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