在罗斯福路通往高速公路的入口处，灯光不断地从绿色变成红色，又从红色转回绿色。
At the Roosevelt Road entrance to the expressway, the light kept changing from green to red and back to green again.
在罗斯福路通往高速公路的入口处，灯光不断地从绿色变成红色，又从红色转回绿色。
At the Roosevelt Road entrance to the expressway, the light kept changing from green to red and back to green again.
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