名词优先，优先权; （时间，序上的）先，前; 优先考虑的事; [数]优先次序
名词
1. Road building is a top priority.
筑路是最优先考虑的事。
2. You must give this matter priority.
你必须优先处理此事。
3. The highest priority of governments has been given to the problem of heavy traffic.
政府已经优先考虑交通拥挤的问题。
4. Safety has high priority in factories.
工厂里安全至关重要。