population center的用法和样例：
例句
- Accessibility to major population centers and thoroughfares is most desirable.
接近于人口中心或街道是最好的。 - President Bush said federal and local officials will not only focus on population centers like Cedar Rapids, but will also reach out to smaller towns affected by the flood.
布什总统说，联邦和地方官员不仅把救灾重点放在锡达拉皮兹这样的人口中心，他们也会兼顾受洪灾的那些小城镇。
