Bulletin board
01
公告板, 布告栏
a display board used for posting notices, announcements, or other informational materials
例子
The bulletin board in the classroom displayed the daily schedule.
教室里的公告板显示了每日的日程安排。
She pinned the flyer advertising the bake sale to the bulletin board in the cafeteria.
她把宣传烘焙义卖活动的传单钉在了食堂的公告板上。
02
在线论坛, 数字公告板
a computer network or an online website where users can leave messages and read other people's posts
