troughs造句

The boat rolled heavily in the troughs between the waves.
船在波涛起伏的海浪中剧烈摇摆。

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。

Spacings between anticlinal crests and synclinal troughs in the be equal in some series of folds.
岩层中的背斜峰和向斜谷之间的距离趋于相等.

The business cycle is a series of peaks and troughs.
商业周期是一系列的高峰期和低谷期。

• #troughs