记忆方法
将“built-up”记忆为“built”是建造的意思，加上“up”表示增强或累积，因此“built-up”可以理解为“增强的”或“累积的”。可以想象一座建筑物通过不断建造而变得越来越坚固和完整。
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权威例句
- 1. Banks are built to look solid to reassure their customers.
- 银行往往建得看上去很坚固，好让顾客放心。
- 2. He was a huge man, built like an oak tree.
- 他是个大块头，结实得像棵橡树。
- 3. Builders must fasten down roofs of newly-built homes more securely.
- 建造工人必须把新建房屋的屋顶固定得更牢靠些。
- 4. The city was walled and built upon a rock.
- 这座城市建在岩石上，四周筑有城墙。
- 5. A strong community cannot be built until the basics are in place.
- 只有基本原则确立了才能建立起一个强大的团体。