修改下面内容：In particular plant hormones and certain metabolites play very important role in response to drought stress To understand the mechanisms of plant stress responses at the molecular level we need

Plant hormones and certain metabolites play a crucial role in responding to drought stress. To comprehend the molecular mechanisms of plant stress responses, it is essential to understand the signaling pathways involved and observe changes in physiological responses and growth traits. Recent reports have significantly advanced our understanding of how plant hormones and metabolites regulate responses to drought stress in various plant species.