1.urban adj. 城市的
The urban growth created many problems.
城市的成长产生了许多问题 。
2.millennial adj. 一千年的;千禧年
Maybe as new millennial citizens of an educated civilized world, we don't simply need weight loss.
也许作为一个有教养的文明世界的新千年的公民,我们不仅仅简单地需要减轻体重 。
3.costly adj. 昂贵的
Coastal defence is a costly business.
海防事务很耗费资财 。
4.expansion n. 扩大;扩张
We mustn't attempt unrestricted expansion regardless if it is within our capacity.
我们不能不顾自己的能力企图无限制地发展 。
5.dependable adj. 可信赖的,可靠的
Who's the most dependable newsagent?
谁是最可靠的报刊经售人?
6.expand v. 扩展;发展
Why not try to expand your story into a novel?
你怎么不把你的故事扩展成小说呢?