electro-tricycle

例句：

1. 1. This new model of the electro-tricycle is more energy-efficient than its predecessors.
   这款电动三轮车的新款比前代更节能。
2. 2.The elderly man rode his electro-tricycle to the market every morning.
   那位老人每天早上骑着他的电动三轮车去市场。
3. 3.Due to the increasing popularity of electric vehicles, the demand for electro-tricycles has also surged.
   由于电动汽车越来越受欢迎，对电动三轮车的需求也激增了。