The city has made a concerted effort to curb pollution, clean up and pedestrianize the streets, spiff up the museums, build a new airport and invest in one of Europe's better public-transit systems.
城市已经一致努力去抑制
,
道被打扫干净,划分了行人区,
洁了博物馆,建设了一个新的

投资建设欧洲其中一个较好的公共交通系统。
个

听力全真试题 11
小床,铺着
,
个
之外, 你还要负责所有


