1. She spread butter on a trencher of bread. （她在一片面包上抹了黄油。）
2. The trencher was used to dig a trench for the new drainage system. （挖沟机用于为新的排水系统挖沟。）
3. The municipality provided new trenchers to improve waste collection. （市政府提供了新的垃圾车以改善垃圾收集。）
4. They sat down to a feast fit for a king, with a variety of dishes on the trencher. （他们坐下享用适合国王的大餐，上面有各种各样的菜肴。）