exigent
adj. 迫切的；紧急的；苛求的
例句
An exacting job; became more exigent over his pronunciation.
要求严格的工作；对他的发音要求更加苛刻。
It is necessary and exigent to enhance the management of construction material.
加强建筑材料管理工作是进行造价控制的迫切需要；
The removal of heavy metals sewage sludges is a problem that is exigent to be solved.
重金属的去除是污水污泥处理中亟待解决的问题。
