a large board with a smooth dark surface that is written on with chalk in schools
黑板, 黑板书
下课后她擦了黑板。
a smooth, typically dark-colored surface, usually made of slate or a similar material, used for writing or drawing with chalk
黑板, 粉笔板
在开始今天的课程之前，她把昨天讲座的笔记从黑板上擦掉了。
a large board with a smooth white surface that we can write on, especially used for teaching or presentations
白板, 写字板
会议期间，主持人将重点写在白板上。
a large display board that can be connected to a computer or projector, allowing users to interact with digital content using touch, stylus, or other input devices
交互式白板, 互动白板
在商务会议期间，演讲者使用交互式白板来注释图表和图形，根据听众的反馈进行实时调整。
a display board used for posting notices, announcements, or other informational materials
公告板, 布告栏
她把宣传烘焙义卖活动的传单钉在了食堂的公告板上。
a type of thumbtack with a colored piece of plastic on one end
图钉, 彩色塑料头图钉
地图上点缀着图钉，标记着他们计划访问的地点。
furniture we use for working, writing, reading, etc. that normally has a flat surface and drawers
桌子, 办公桌
我的电脑放在办公室的桌子上。
a stand with a slanted top used to hold notes or books for a speaker or reader
讲台, 书架
教授调整了讲台上的麦克风，以确保每个人都能听到。
a board connected to a wall or a piece of furniture on which books are kept
书架, 书柜
他定制了一个书架来容纳他大量的参考书库。
a small compartment or niche used for sorting or storing items
小隔间, 壁龛
她通过将文件放入标有类别的不同格子中来整理文件。
a small closet that usually has a lock, in which valuable items and belongings could be stored
储物柜, 锁柜
他忘记了储物柜的密码，不得不向老师求助。
a piece of office furniture with drawers in which documents can be stored
文件柜, 档案柜
办公室角落里的文件柜里装着可以追溯到几年前的重要文件。
a device used for making images or videos appear on a screen, wall, or other flat surfaces
投影仪, 视频投影仪
他们在后院设置了一个投影仪用于户外电影之夜，将比生命更大的图像投射到挂在树间的白布上。
a surface, often white or gray, used to display images from a projector
投影屏幕, 投影幕
电影院在开始电影前降下了投影屏幕。
a device that projects images or text from a transparency onto a screen or wall
投影仪, 高射投影仪
主持人为了在商务会议上展示销售数据，设置了投影仪。
a large motor vehicle designed to transport students to and from school
校车, 学校巴士
当她的儿子登上校车去参加他的实地考察时，她挥手告别。
a mechanical or electronic device used to signal the start and end of classes or periods in a school day
学校铃声, 校钟
学生们在走廊里排队，当他们听到学校的铃声表示午餐结束时。
