她在镜头前表现得非常自然，毫不做作。

She behaves ___naturally in front of the camera, without any pretension.

他通过了考试，自然很高兴。

He passed the exam and was ___naturally very happy.

蜂蜜自然具有抗菌特性。

Honey ___naturally has antibacterial properties.

这种植物在野外会自然生长，不需要人工照料。

This plant grows ___naturally in the wild without any human care.