adj.紧急的；迫切的；急需的
Building resource-conserving society was an exigent mission. 摘要建设资源节约型社会是当前中国极为迫切的任务。
To explain the current tense physician-patient relationship is an exigent social problem. 解读目前紧张的医患关系是一个迫切的社会课题。
