活环境的英文怎么说

活环境的英文：
ever-changing environment

They will reign for ever and ever.
他们要作王，直到永远永远。

Have you ever worked the travel bureau?
你曾在旅行社工作过吗？

Don't fantasize,ever.
不要心存幻想，永远不要。

change a bed;change the baby.
换床单；给婴儿换尿布

We propose 'a change [making a change / to make a change / that a change should be made].
我们建议应做一点改变。

The change of quantity can causes the change of quality.
量变可以引发质变。

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。