briefer
adj. 短暂的( brief的比较级 ); (衣着)短的; 简洁的; 简明的
A briefer is an official who has the job of giving information about something, for example a war.
Military briefers say no planes were shot down today.
负责军情通报的官员们声称今天没有飞机被击落。
Those standing behind her on line demanded that she make her complaints briefer.
那些排着队站在她后面的人要求她把诉苦话说得简短些.