trolley icing

例句：

1. 1. The trolley was filled with ice cream and ready to serve.
   电车装满了冰淇淋，准备提供服务。
2. 2.They decided to have a trolley ice cream ride on the weekend.
   他们决定在周末乘坐电车冰激凌之旅。
3. 3.The kids were thrilled when they saw the trolley ice cream truck pull up in front of their house.
   孩子们看到电车冰激凌卡车停在他们家门前时非常兴奋。