“徐徐地”用英语怎么说？

后来列车徐徐地驶进那个小站,将停靠10分钟.Then the train was gliding to a ten minutes'stop at the tiny station.火车穿行干线两侧风光单调寡味的地域,徐徐地向南驶去.The train moved slowly south through flat , drab mainline scenery.列车徐徐地开动起来.The train started slow...