联合国环境署的英文：
United Nations Environment Program

Expand the patriotic united front and unite with all forces that can be united.
壮大爱国统一战线，团结一切可以团结的力量。

The conception of the United Nations was in 1945.
联合国创始于一九四五年。

The meter reads 5500 units.
仪表标明为5500单位。

Here is not merely a nation but a teeming nation of nations
这里不仅是一个国家，而是许多国家丰富的总和。

release of nationality
国籍解除; 放弃（脱离）国籍

a tributary nation
进贡国,2. 辅助的,3. 支流的,n.[C]1. 进贡国,附庸国[( to)]2. 进贡者,3. 支流

This material is recyclable and will not pollute the environment.
这种材料是可循环利用的，因而不会污染环境。

An environment for creative thinking has to be cultivated.
创意思维的产生，必须具备制造这种风气的环境。

The labs are sealed environments.
实验室都是密封的的环境。