一种靠小型内燃发动机又可以靠人力行驶的自行车gas-powered scooter

• 近年来以盗窃自行车、助动车为主的“职业贼手”明显增多。

  In recent years, there has been a marked increase in "professional thieves" who primarily steal bicycles and gas-powered scooters.

• 温州着手淘汰助动车。

  Wenzhou has started to phase out gas-powered scooters.