许多城市正在投资建设安全的自行车道,以鼓励环保出行。
Many cities are investing in safe ___cycle paths to encourage eco-friendly transport.
我正在写关于我们的自行车路线。
I am writing about our ___cycle routes.
他更喜欢骑自行车在镇上进行短途出行。
He prefers to use his ___cycle for short trips around town.