blackboards

英 [ˈblækbɔːdz]

美 [ˈblækˌbɔrdz]

n.  黑板
blackboard的复数

柯林斯词典

• 黑板
  Ablackboardis a dark-coloured board that you can write on with chalk. Blackboards are often used by teachers in the classroom.

in AM, use 美国英语用 chalkboard

双语例句

• The process to replace all blackboards with electronic whiteboards can be arduous.
  用电子白板取代所有的黑板会是非常困难的。
• This or a similar substance made into white or coloured sticks for writing or drawing on blackboards
  制造白色或彩色粉笔的白垩或类似的物质
• The optimal control agents communicate and coordinate with diagnosis control agent by means of multiple level blackboards, which combined overall blackboard and local blackboards, and the extended KQML ( Knowledge Query and Manipulation Language).
  通过分层组织的全局黑板模型和局部黑板模型，以及扩充的KQML通信原语，实现了优化控制Agent与诊断控制Agent之间的通信与协作。
• Easel, metal, for blackboards or maps
  金属黑板架或地图架
• Their voices paused once in a while and I would hear the scrape of chalk on blackboards or the rustling of papers as students turned the pages of their text books.
  他们的声音时而停顿，时而我会听到粉笔在黑板上划察或学生们翻书时纸页沙沙的声音。
• They bought two blackboards.
  他们买了两块黑板。
• A piece of chalk ( or similar substance) used for writing on blackboards or other surfaces.
  用来在黑板上或其他表面上书写用的粉笔（或类似的东西）。
• For many years he roamed the Princeton campus, a lonely figure scribbling unintelligible formulas on the same blackboards in Fine Hall where he had once demonstrated startling mathematical feats.
  很多年里，他在普林斯顿的校园内游荡。在他曾经表现出惊人造诣的数学系馆法恩楼，纳什形单影只地在同样几块黑板上涂写着莫名其妙的公式。
• The system is composed of three blackboards which are problem blackboard, argument blackboard and conclusion blackboard.
  系统中包括3块黑板：问题黑板、辨论黑板和结论黑板。
• These blackboards, chalked with figures, hung in a neat row all along the latticed balustrade of the gallery.
  这些黑地白粉字的“牌子”站得整整齐齐，挂满了楼上那一带口字式的栏杆。