focuses on active release of harmful substances into air, water, or soil
文法句型
be environmentally friendly
environmentally-friendly + noun
用法筆記
The hyphen is optional after a linking verb (e.g. "The building is environmentally friendly") but common when the compound appears before a noun ("an environmentally-friendly option").
常見錯誤
This product is environmental friendly.
This product is environmentally friendly.
'friendly' is an adjective, so it needs the adverb 'environmentally' to modify it, not the adjective 'environmental'.
They chose a friendly-environmental solution.
They chose an environmentally-friendly solution.
the adverb must come before 'friendly', not after it.