(noun.) a passenger train that is ridden primarily by passengers who travel regularly from one place to another.
(noun.) someone who travels regularly from home in a suburb to work in a city.
编辑:汤姆
双语例句
At any moment everything is given: our reason could know that moment so thoroughly that all the rest of life would be like the commuter's who travels back and forth on the same line every day. 沃尔特·李普曼.政治序论.