mutualist

As a mutualist, she believed that cooperation, not competition, should drive economic progress.

作为一名互助论者，她认为推动经济进步的应该是合作而非竞争。

The clownfish is a well-known mutualist that lives among sea anemones for protection.

小丑鱼是一种著名的共生生物，生活在海葵中以求保护。

In the forest, the mycorrhizal fungus acts as a mutualist, helping tree roots absorb nutrients.

在森林中，菌根真菌充当共生生物，帮助树根吸收营养。