生态示范区的英文：
eco-demonstration region; environment-friendly region

eco是什么意思：
=Economic Cooperation Organization 经济合作组织

Eco-travel is a form of travel that combines normal tourism with learning.
生态旅行是一种把普通旅行和学习结合在一起的旅行旅行形式。

Buy from companies with eco-friendly policies; boycott those without.
买那些注重环保的公司的产品，抵制不环保公司的产品。

Their knowledge of the unique natural eco-environment was incomplete and unsystematic.
他们对它的特殊自然生态环境的认识还不全面、不系统。

demonstration是什么意思：
n. 证明；示范；游行示威

This is a cookery demonstration.
这是次烹饪示范。

Counterdemonstration:a demonstration held in opposition to another demonstration.
反示威:与另一个示威相对立.

Demonstrators marched through the street.
示威者的队伍穿过了街道。

region是什么意思：
n.地区，行政区，领域，范围

regional exchange
美国在纽约以外地区的证券交易所

He is an authority in the region of chemistry.
他是化学界的权威。

This region is remarkable for its scenery.
这个地区享有风景独特的盛名。