The environmentalist analyzed the importance of the plan ecologically.

这位环保主义者从生态学分析了该方案的重要性。

Ecologically, the environmentalist's point of view is absolutely correct.

从生态学上来看，这位环保者的观点是完全正确的。

This forest plays a vital role ecologically.

这片森林在生态学上有至关重要的作用。

People are generally more ecologically conscious these days due to climate change awareness.

近年来，人们认识到了气候变化问题，所以大家的生态意识日渐增强。

It is economical to run and ecologically sound.

它运行高效且有益生态。

The system is both practical and ecologically sound.

这个系统不但切合实际，从生态学观点来看也是合理的。

The use of disposable products is considered ecologically unsound.

使用一次性产品被认为是没有顾及对生态的影响。

They might be ecologically valuable too.

它们在生态学上可能是非常有价值的。

Same goes for pricey ecologically-friendly brands.

你可以去购买那些价格高的生态友好型的品牌。