Definition: relating to ecology or the environment Level: B2
雨林的破坏是一场生态灾难。
The destruction of the rain forests is an ___ecological disaster.
存在生态、技术和社会问题。
There are ___ecological, technical, and social problems.
我们需要考虑我们行为的生态影响。
We need to consider the ___ecological impact of our actions.
