If something is a priority, it is the most important thing you have to do or deal with, or must be done or dealt with before everything else you have to do. 优先处理的事
noun [抽象名词]优先事项,最重要的事;优先,优先权,重点;<英>优先通行权
The government's priority is to build more power plants. 政府的当务之急是建造更多的发电厂。
adjective [原级]优先的
Women are more likely to give priority to child care and education policies. 女性更可能给孩子的照料和教育方案以优先考虑。