柯林斯詞典built-up 1. ADJ A built-up area is an area such as a town or city which has a lot of buildings in it. 建築物密集的 A speed limit of 30 mph was introduced in built-up areas. 在建築物密集區(qū)域,限速爲(wèi)每小時30英裡。 返回 built-up劍橋詞典A built-up area is one where there are a lot of buildings . 建築密集的 返回 built-up