1. Rain gathered in a lotus leaf, like Yinzhu rolling back and forth in the above. 雨水聚集在荷叶上，像银珠在上面来回滚动。
2. This is the same arrangement found in an old-fashioned steam radiator, in which the coiled pipes pass heat back and forth as water courses through them. 这个结构与老式蒸汽暖气片相同，水流经散热器时，热量通过盘管来回输送。
3. He paced back and forth. 他来回踱步。
4. In Taipei buildings rocked back and forth. 在台北，建筑物前后摇晃着。
5. The windshield wipers clacked back and forth. 挡风玻璃上的刮雨器来回刮着，发出咔嚓声。
