在楼房林立的地区降低最高车速限制to reduce the speed limit in built-up areas这座历史名城有着其繁忙的千樯林立的港口.The historic city had its busy ship - filled harbor.在房屋林立的地区,车速限制为每小时30里.We are restricted to a speed of 30 miles an hour in built up areas....

“林立的”的英语可以翻译为：istly，serried ...