1. They led the workhorses to the watering trough.
   他们把耕马带到饮水槽去饮水。
2. 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。
3. As the wave bore down on us, the trough deepened.
   当波涛向我们压来时, 波谷加深了。
4. An eave trough used to convey rainwater from the roof to the downspout.
   用于传输屋顶的雨水到落水管檐沟。
5. The key technology and technics,which use Simons electrolyze trough with a falcial anode to synthesize lithium fluoroalkylphosphates,are discussed in this paper.
   本文探讨了采用以镍板为阳极的西蒙斯电解槽电解氟化制备氟烷基膦酸锂的有关工艺和关键技术。
6. A new image shows possible "megabreccia" along the center of Mars's Coprates Chasma, a major trough in the Valles Marineris canyon system.
   一种新的图像显示“巨形角砾岩”可能临近火星科普雷茨峡谷的中心，主要穿过瓦勒斯马里纳里斯峡谷山系。
7. Stress shielding effect of the trihedral fix trough plate,trapezoid compression plate and Tianjin compression plate on the long bone measured with the electrical measuring method.
   用电测法测量了三种股骨中段骨折内固定钢板（三面固定槽形板、梯形板、天津板）固定后对骨的应力遮挡效应。

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